gistfile1.txt

 [objectManager postObject:nil
                         path:@"/users/api/login"
                   parameters:queryParams
                      success:^(RKObjectRequestOperation *operation, RKMappingResult *mappingResult) {
                          
//                          Token* token =  (Token*)[mappingResult firstObject] ;
//                          [AppDelegateHandle setToken:token];
//                          success(token);
                      } failure:^(RKObjectRequestOperation *operation, NSError *error) {
                          NSArray* e = [[error userInfo] objectForKey:RKObjectMapperErrorObjectsKey];
                          Error *err = (Error*)[e objectAtIndex:0];
                          NSLog(@"%@",[err.badRequest allValues] );
                          failure(operation,error);
                      }];