anchor.diff:          <<"fileName">> => FileName,
           <<"operation">> => <<"submit">>,
           <<"payload">> => #{
  -            <<"json">> => EncodedJSON1
  +            <<"json">> => JSON1
           }
       }], ProviderId1),
   
  
positive.code:     ok = lfm_proxy:set_metadata(WorkerP2, SessId2, {guid, Guid2}, json, JSON2, []),
  
      Destination = #{?HARVESTER3 => [?INDEX31]},
      EncodedJSON1 = json_utils:encode(JSON1),
      EncodedJSON2 = json_utils:encode(JSON2),
  
      ?assertMatch({ok, _}, lfm_proxy:stat(WorkerP1, SessId, {guid, Guid2}), ?ATTEMPTS),
      ?assertMatch({ok, _}, lfm_proxy:stat(WorkerP2, SessId2, {guid, Guid}), ?ATTEMPTS),
  
negative.code:         <<"fileName">> => FileName2,
          <<"operation">> => <<"submit">>,
          <<"payload">> => #{
              <<"json">> => JSON2
          }
      }], ProviderId1),
  
  