anchor.diff:      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),
  
positive.code:         <<"fileName">> => FileName,
          <<"operation">> => <<"submit">>,
          <<"payload">> => #{
              <<"json">> => EncodedJSON1
          }
      }], ProviderId).
  
  
negative.code:     {ok, FileId} = file_id:guid_to_objectid(Guid),
  
      Destination = #{?HARVESTER1 => [?INDEX11]},
      ProviderId = ?PROVIDER_ID(Worker),
  
      ?assertReceivedHarvestMetadata(?SPACE_ID1, Destination, [#{
          <<"fileId">> => FileId,
          <<"operation">> => <<"submit">>,
          <<"payload">> => #{
              <<"rdf">> => RDF
          }
      }], ProviderId),
  
  