Fixed decoding pointer type.

Author: killme2008

lib/utils.js

@@ -564,7 +564,7 @@ module.exports = function(AV) {
     if (value.__type === "Pointer") {
       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);