private static void findOneSubscription(IoTDAClient client)
        {
            ShowSubscriptionRequest req = new ShowSubscriptionRequest
            {
                SubscriptionId = "a410be1c-9def-4aec-8301-a9c36b346ba2",
            };

            try
            {
                var resp = client.ShowSubscription(req);
                Console.WriteLine(resp.HttpStatusCode);
                Console.WriteLine(JsonConvert.SerializeObject(resp));
            }
            catch (RequestTimeoutException requestTimeoutException)
            {
                Console.WriteLine(requestTimeoutException.ErrorMessage);
            }
            catch (ServiceResponseException clientRequestException)
            {
                Console.WriteLine(clientRequestException.HttpStatusCode);
                Console.WriteLine(clientRequestException.ErrorCode);
                Console.WriteLine(clientRequestException.ErrorMsg);
            }
            catch (ConnectionException connectionException)
            {
                Console.WriteLine(connectionException.ErrorMessage);
            }
        }