Fixed decoding pointer type.

Author: leeyeh

lib/utils.js

@@ -557,7 +557,7 @@ module.exports = function(AV) {
     if (value.__type === "Pointer") {
       var className = value.className;
       var pointer = AV.Object._create(className);
-      if(value.createdAt){
+      if(Object.keys(value).length > 3) {
           delete value.__type;
           delete value.className;
           pointer._finishFetch(value, true);