public IActionResult SupplierApproval(string supplierId, string orderID, string status, string consignmentCode)
        {
            var          result    = _businessLogicLayer.UpdateSupplierStatus(orderID, consignmentCode, supplierId, status);
            SetMilestone milestone = new SetMilestone
            {
                ID    = orderID,
                Value = 2
            };

            _service.SmartContract3Async(JsonConvert.SerializeObject(milestone));
            return(Ok(true));
        }