diff --git a/examples/PostJSON/PostJSON.ino b/examples/PostJSON/PostJSON.ino
index 9527fbc..6ee73a5 100644
--- a/examples/PostJSON/PostJSON.ino
+++ b/examples/PostJSON/PostJSON.ino
@@ -35,7 +35,10 @@ void setup() {
 
   client.enableInsecure(); // Using HTTPS and peer cert. will not be able to auth.
 
-  client.postAsync("https://httpbin.org/post", "{\"key\":\"value\"}");
+  String data = "{\"sensorData\":\"";
+  data += 123;
+  data += "\"}";
+  client.postAsync("https://httpbin.org/post", data);
   SerialUSB.print("Sending request");
 }