public async Task AddRequestResultAsync(RequestResultModel requestResult)
 {
     using (var conn = _queryStore.GetConnection())
     {
         var json = JsonConvert.SerializeObject(requestResult);
         await conn.ExecuteAsync(_queryStore.AddRequestQuery, new
         {
             requestResult.CorrelationId,
             requestResult.ExecutingStubId,
             requestResult.RequestBeginTime,
             requestResult.RequestEndTime,
             Json = json
         });
     }
 }