public async Task <IActionResult> Dequeue(string identity)
        {
            Block block = await _blockService.GetOneCompletedByIdentity(identity);

            var requestQueues = await _requestQueueService.GetByBlockId(block.BlockId);

            var requests = requestQueues.Select(r =>
            {
                return(JsonConvert.DeserializeObject <Request>(r.Request));
            }).ToList();

            return(new JsonResult(requests));
        }