                 case is NSArray:
                     resultDictionary[kKeyContent] = jsonObject
                 case is NSDictionary:
-                    resultDictionary = jsonObject as NSMutableDictionary
+                    resultDictionary = NSMutableDictionary(dictionary: jsonObject as NSDictionary)
                 default:
                     resultDictionary[kKeyContent] = ""
                 }

                    case is NSArray:
                        resultDictionary[kKeyContent] = dataObj
                    case is NSDictionary:
                        resultDictionary = dataObj as NSMutableDictionary
                    default:
                        resultDictionary[kKeyContent] = ""
                    }

                    case is NSArray:
                        resultDictionary[kKeyContent] = dataObj
                    case is NSDictionary:
                        resultDictionary = NSMutableDictionary(dictionary: dataObj as NSDictionary)
                    default:
                        resultDictionary[kKeyContent] = ""
                    }
