diff --git a/typescript_templates/model.vm b/typescript_templates/model.vm
index 4c761ce..346088d 100644
--- a/typescript_templates/model.vm
+++ b/typescript_templates/model.vm
@@ -9,9 +9,13 @@ $str.kebabToCamel($param.propertyName.replaceAll("_", "-"))##
 #set( $type_override_variable = "${d}${e}propFile.type_override_${className}_#paramName(${param})" )
 #set( $type_override = "#evaluate($type_override_variable)" )
 #if ( $param.algorandFormat == "SignedTransaction" )
-EncodedSignedTransaction##
-#elseif ( $param.algorandFormat == "Address" ) ## No special handling for Address in go SDK
-string##
+SignedTransaction##
+#elseif ( $param.algorandFormat == "Address" )
+#if ( $isArgType )
+(Address | string)##
+#else
+Address##
+#end
 #elseif ( $param.algorandFormat == "BlockHeader" )
 BlockHeader##
 #elseif ( $type_override == "bigint" || ( $param.algorandFormat == "uint64" && $type_override.length() == 0 ) )
@@ -21,7 +25,7 @@ BlockHeader##
 bigint##
 #end
 #elseif ( $param.type == "object" )
-Record<string, any>##
+UntypedValue##
 #elseif ( $type_override == "number" || ( ( $param.type == "integer" || $param.arrayType == "integer" ) && $type_override.length() == 0 ) )
 #if ( $isArgType )
 (number | bigint)##
@@ -46,7 +50,7 @@ Uint8Array##
 string##
 #elseif( $param.arrayType )
 ${param.arrayType}##
-#elseif( $param.refType ) ## This is second because the old code avoids typedef of references
+#elseif( $param.refType )## This is second because the old code avoids typedef of references
 ${param.refType}##
 #else
 UNHANDLED TYPE
@@ -59,6 +63,50 @@ $unknown.type ## force a template failure with an unknown type
 #end
 #if ($param.arrayType && $param.arrayType != "")[]#end## Add array postfix to arrays...
 #end
+## Gets the Schema object for a given type.
+#macro ( toSchema $param )
+#if ( !$param.required )
+new OptionalSchema(##
+#end
+#if ( $param.arrayType )
+new ArraySchema(##
+#end
+#if ( $param.algorandFormat == "BlockHeader" )
+BLOCK_HEADER_SCHEMA##
+#elseif ( $param.algorandFormat == "SignedTransaction" )
+SignedTransaction.encodingSchema##
+#elseif ( $param.type == "object" || $param.arrayType == "object" )
+UntypedValue.encodingSchema##
+#elseif ( $param.algorandFormat == "Address" )
+new StringSchema()## # To comply with existing msgpack REST API behavior, encode addresses as strings
+#elseif ( $param.algorandFormat == "uint64" || $param.type == "integer" || $param.arrayType == "integer" )
+new Uint64Schema()##
+#elseif ( $param.type == "boolean" || $param.arrayType == "boolean" )
+new BooleanSchema()##
+#elseif( ( $param.type == "string" || $param.arrayType == "string" ) && ( $param.format == "byte" || $param.format == "binary" ) )
+new ByteArraySchema()##
+#elseif( $param.type == "string" || $param.arrayType == "string" )
+new StringSchema()##
+#elseif ( "#isClassType($param)" == "true" )
+#if ( $param.arrayType )
+${param.arrayType}##
+#else
+${param.refType}##
+#end
+.encodingSchema##
+#else
+UNHANDLED SCHEMA TYPE
+- property: $param
+- isClassType: #isClassType($param)
+$unknown.type ## force a template failure with an unknown type
+#end
+#if ( $param.arrayType )
+)##
+#end
+#if ( !$param.required )
+)##
+#end
+#end
 ## Check if there's a class associated with this type
 #macro ( isClassType $param )
 #if ( $param.algorandFormat == "SignedTransaction" )
@@ -89,6 +137,23 @@ false##
 true##
 #end
 #end
+## Returns "true" if the type is a primative, meaning it's not an object that requires manipulation
+## when converting to & from encoding data.
+#macro ( isPrimativeType $param )
+#if ( $param.algorandFormat == "uint64" || $param.type == "integer" || $param.arrayType == "integer" )
+true##
+#elseif ( $param.type == "boolean" || $param.arrayType == "boolean" )
+true##
+#elseif( $param.type == "string" || $param.arrayType == "string" )
+#if ( $param.algorandFormat == "Address" || $param.algorandFormat == "SignedTransaction" )
+false##
+#else
+true##
+#end
+#else
+false##
+#end
+#end
 ## Create an expression to assign a field in a constructor
 #macro ( constructorAssignType $className $prop )
 #set( $argType = "#toSdkType($className, $prop, true)" )
@@ -96,6 +161,14 @@ true##
 #set( $name = "#paramName($prop)" )
 #if ( $argType == $fieldType )
 $name##
+#elseif ( $argType == "(Address | string)" && $fieldType == "Address" )
+typeof $name === 'string' ? Address.fromString($name) : $name##
+#elseif ( $argType == "(Address | string)[]" && $fieldType == "Address[]" )
+#if ( $prop.required )
+${name}.map(addr => typeof addr === 'string' ? Address.fromString(addr) : addr)##
+#else
+typeof $name !== 'undefined' ? ${name}.map(addr => typeof addr === 'string' ? Address.fromString(addr) : addr) : undefined##
+#end
 #elseif ( $argType == "string | Uint8Array" && $fieldType == "Uint8Array" )
 typeof $name === 'string' ? base64ToBytes($name) : $name##
 #elseif ( $argType == "(number | bigint)" && $fieldType == "bigint" )
@@ -131,24 +204,73 @@ UNHANDLED CONSTRUCTOR TYPE CONVERSION
 $unknown.type ## force a template failure with an unknown type
 #end
 #end
-## Create an expression to assign a field in the from_obj_for_encoding function
-#macro ( fromObjForEncodingAssignType $value $prop )
-#if ( "#isClassType($prop)" == "false" )
+## Create an expression to assign a field in the toEncodingData function
+#macro ( fieldToEncodingData $prop )
+#set( $value = "this.#paramName($prop)" )
+#set( $isPrimative = "#isPrimativeType($prop)" == "true" )
+#set( $needsUndefinedCheck = !$isPrimative && !$prop.required )
+#if ( $needsUndefinedCheck )
+typeof ${value} !== "undefined" ? ##
+#end
+#if ( $prop.arrayType && !$isPrimative )## No need to map a primative type
+${value}.map(v => ##
+#set ( $value = "v" )
+#end
+#if ( $prop.algorandFormat == "BlockHeader" )
+blockHeaderToEncodingData($value)##
+#elseif ( $prop.algorandFormat == "Address" )
+${value}.toString()##
+#elseif ( $isPrimative )
 $value##
-#elseif ( $prop.arrayType )
-#set ( $assignment = "${value}.map(${prop.arrayType}.from_obj_for_encoding)" )
-#if ($prop.required)
-$assignment##
 #else
-typeof $value !== 'undefined' ? $assignment : undefined##
+${value}.toEncodingData()##
+#end
+#if ( $prop.arrayType && !$isPrimative )
+)##
+#end
+#if ( $needsUndefinedCheck )
+: undefined##
+#end
+#end
+## Create an expression to assign a field in the fromEncodingData function
+#macro ( fromEncodingDataAssignType $value $prop )
+#set( $isPrimative = "#isPrimativeType($prop)" == "true" || $prop.algorandFormat == "Address" )## Addresses are encoded as strings, so treat them as primatives here
+#set( $needsUndefinedCheck = !$isPrimative && !$prop.required )
+#if ( $needsUndefinedCheck )
+typeof ${value} !== "undefined" ? ##
+#end
+#if ( $prop.arrayType && !$isPrimative )
+#if ( $prop.required )
+(${value} ?? [])##
+#else
+$value##
+#end
+.map((v: unknown) => ##
+#set ( $value = "v" )
+#elseif ( $prop.required && !$isPrimative )
+#set ( $value = "($value ?? new Map())" )##
 #end
+#if ( $prop.algorandFormat == "BlockHeader" )
+blockHeaderFromEncodingData($value)##
+#elseif ( $isPrimative )
+${value}##
 #else
-#set ( $assignment = "${prop.refType}.from_obj_for_encoding($value)" )
-#if ($prop.required)
-$assignment##
+#if ( $prop.algorandFormat == "SignedTransaction" )
+SignedTransaction##
+#elseif ( $prop.type == "object" )
+UntypedValue##
+#elseif ( $prop.arrayType )
+${prop.arrayType}##
 #else
-typeof $value !== 'undefined' ? $assignment : undefined##
+${prop.refType}##
+#end
+.fromEncodingData($value)
 #end
+#if ( $prop.arrayType && !$isPrimative )
+)##
+#end
+#if ( $needsUndefinedCheck )
+: undefined##
 #end
 #end
 #macro ( questionMarkIfOptional $param )
@@ -166,12 +288,15 @@ typeof $value !== 'undefined' ? $assignment : undefined##
 
 /* eslint-disable no-use-before-define */
 import { ensureBigInt, ensureSafeInteger } from '../../../../utils/utils.js';
+import { Encodable, Schema } from '../../../../encoding/encoding.js';
+import { NamedMapSchema, ArraySchema, Uint64Schema, StringSchema, BooleanSchema, ByteArraySchema, OptionalSchema } from '../../../../encoding/schema/index.js';
 import { base64ToBytes } from '../../../../encoding/binarydata.js';
 #if ( $propFile.indexer == "false" )
-import BlockHeader from '../../../../types/blockHeader.js';
-import { EncodedSignedTransaction } from '../../../../types/transactions/encoded.js';
+import BlockHeader, { blockHeaderFromEncodingData, blockHeaderToEncodingData, BLOCK_HEADER_SCHEMA } from '../../../../types/blockHeader.js';
+import { SignedTransaction } from '../../../../signedTransaction.js';
 #end
-import BaseModel from '../../basemodel.js';
+import { Address } from '../../../../encoding/address.js';
+import { UntypedValue } from '../../untypedmodel.js';
 
 #foreach( $modelEntry in $models.entrySet() )
 #set( $def = $modelEntry.key )
@@ -190,7 +315,24 @@ import BaseModel from '../../basemodel.js';
  * $str.formatDoc($def.doc, " * ")
  */
 #end
-export class $def.name extends BaseModel {
+export class $def.name implements Encodable {
+
+  private static encodingSchemaValue: Schema | undefined;
+
+  static get encodingSchema(): Schema {
+    if (!this.encodingSchemaValue) {
+      this.encodingSchemaValue = new NamedMapSchema([]);
+## By assigning a value to this.encodingSchemaValue before getting the .encodingSchema fields of other types,
+## we allow circular references to be handled properly.
+      (this.encodingSchemaValue as NamedMapSchema).entries.push(
+#foreach( $prop in $props )
+        { key: '$prop.propertyName', valueSchema: #toSchema($prop), omitEmpty: true },
+#end
+      );
+    }
+    return this.encodingSchemaValue;
+  }
+
 #foreach( $prop in $props )
 #if ( !$prop.doc.isEmpty() )
   /**
@@ -228,48 +370,43 @@ export class $def.name extends BaseModel {
 #else
   ) {
 #end
-    super();
 #foreach( $prop in $props )
 #set( $var = "#paramName($prop)" )
     this.$var = #constructorAssignType($def.name, $prop);
 #end
+  }
+
+  // eslint-disable-next-line class-methods-use-this
+  getEncodingSchema(): Schema {
+    return ${def.name}.encodingSchema;
+  }
 
-    this.attribute_map = {
+  toEncodingData(): Map<string, unknown> {
+    return new Map<string, unknown>([
 #foreach( $prop in $props )
-      #paramName($prop): '$prop.propertyName',
+    ['$prop.propertyName', #fieldToEncodingData($prop)],
 #end
-    }
+    ]);
   }
 
-  // eslint-disable-next-line camelcase
-  static from_obj_for_encoding(data: Record<string, any>): $def.name {
-    /* eslint-disable dot-notation */
+  static fromEncodingData(data: unknown): $def.name {
 #set ( $d = "$" )## Create a variable in order to insert a $ into the code
-#foreach( $prop in $props )
-#if ($prop.required)
-#if ($prop.arrayType)
-    if (!Array.isArray(data['$prop.propertyName']))
-      throw new Error(`Response is missing required array field '${prop.propertyName}': ${d}{data}`);
-#else
-    if (typeof data['$prop.propertyName'] === 'undefined')
-      throw new Error(`Response is missing required field '${prop.propertyName}': ${d}{data}`);
-#end
-#end
-#end
+    if (!(data instanceof Map)) {
+      throw new Error(`Invalid decoded logic sig account: ${d}{data}`);
+    }
 #if ($use_object_params)
     return new ${def.name}({
 #foreach( $prop in $props )
-      #paramName($prop): #fromObjForEncodingAssignType("data['$prop.propertyName']", $prop),
+      #paramName($prop): #fromEncodingDataAssignType("data.get('$prop.propertyName')", $prop),
 #end
     });
 #else
     return new ${def.name}(
 #foreach( $prop in $props )
-      #fromObjForEncodingAssignType("data['$prop.propertyName']", $prop),
+      #fromEncodingDataAssignType("data.get('$prop.propertyName')", $prop),
 #end
     );
 #end
-    /* eslint-enable dot-notation */
   }
 }