public override Response Invoke(IChaincodeStub stub)
            {
                string key = stub.StringArgs[1];


                using (IQueryResultsEnumerable <IKeyModification> stateByRange = stub.GetHistoryForKey(key))
                {
                    foreach (IKeyModification kv in stateByRange)
                    {
                        //Do Nothing, just enumerate
                    }
                }

                return(NewSuccessResponse("OK response2"));
            }