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