Update index.html

index.html

@@ -31,7 +31,7 @@
                 const queryString = urlparams.querySelector('[name="queryparams"]').value;
                 const hash = urlparams.querySelector('[name="hash"]').value;
                 if(hash || queryString) {
-                  window.parent.postMessage(JSON.stringify({ hash, queryString }), '*');
+                  window.parent.postMessage({ hash, queryString }, '*');
                 }
             });
         </script>