issue parse-community#143

Author: juliangut

src/Parse/ParsePush.php

@@ -63,7 +63,7 @@ public static function send($data, $useMasterKey = false)
             'POST',
             'push',
             null,
-            json_encode($data),
+            json_encode(ParseClient::_encode($data, true)),
             $useMasterKey
         );
     }