anchor.diff:  
   -spec marshall(map()) -> map().
   marshall(Data) when is_map(Data) ->
  -    ?nebMsg("Entry"),
  +%    ?nebMsg("Entry"),
       SearchKey = nebula2_utils:make_search_key(Data),
       marshall(Data, SearchKey).
   
   -spec marshall(map(), binary()) -> map().
   marshall(Data, SearchKey) when is_map(Data), is_binary(SearchKey) ->
  -    ?nebMsg("Entry"),
  +%    ?nebMsg("Entry"),
       maps:from_list([{<<"cdmi">>, Data}, {<<"sp">>, SearchKey}]).
   
   %% @doc Read an object
   -spec read(pid(), object_oid()) -> {ok, map()}|{error, term()}.
   read(Pid, Oid) when is_pid(Pid), is_binary(Oid) ->
  -    ?nebMsg("Entry"),
  -    {ok, Mod} = ?GET_ENV(nebula2, cdmi_metadata_module),
  -    ?nebFmt("Oid: ~p", [Oid]),
  +%    ?nebMsg("Entry"),
  +    {ok, Mod} = ?GET_ENV(nebula2, cdmi_metadata_module),
       case nebula2_utils:get_cache(Oid) of
           {ok, Data} ->
  -            ?nebFmt("Cache Hit: Oid: ~p", [Oid]),
               {ok, Data};
           _ ->
  -            ?nebFmt("Cache Miss: Oid: ~p", [Oid]),
               case Mod:get(Pid, Oid) of
                   {ok, Data} ->
                       nebula2_utils:set_cache(Data),
  
positive.code: 
  -spec unmarshall(map()) -> map().
  unmarshall(Data) when is_map(Data) ->
      ?nebMsg("Entry"),
      maps:get(<<"cdmi">>, Data).
  
  %% @doc Update an object.
  
negative.code:              map()              %% Data to store
              ) -> ok | {error, term()}.
  update(Pid, Oid, Data) when is_pid(Pid); is_binary(Oid); is_map(Oid) ->
  %    ?nebMsg("Entry"),
      {ok, Mod} = ?GET_ENV(nebula2, cdmi_metadata_module),
      Data2 = jsx:encode(Data),
      case Mod:update(Pid, Oid, Data2) of
  