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                NSHTTPURLResponse* errResponse = (NSHTTPURLResponse*)error.userInfo[AFNetworkingOperationFailingURLResponseErrorKey];
                NSData* response = error.userInfo[AFNetworkingOperationFailingURLResponseDataErrorKey];
                if(errResponse){
                    
                    NSError* error;
                    NSDictionary* message = [NSJSONSerialization JSONObjectWithData:response
                                                                            options:kNilOptions
                                                                              error:&error];