public async Task <IActionResult> GetSingleTransactionState(GetTransactionStateRequest request)
        {
            var transactionState = await _transactionRepository.TryGetTransactionStateAsync(request.OperationId);

            if (transactionState != null)
            {
                return(Ok(transactionState));
            }
            else
            {
                return(NoContent());
            }
        }
 public IActionResult GetManyOutputsTransactionState(GetTransactionStateRequest request)
 {
     return(StatusCode((int)HttpStatusCode.NotImplemented));
 }