public static void GetGpioStatus(TBRpcRequest rpcRequest)
        {
            TBRpcResponse rpcResponse = new TBRpcResponse(rpcRequest.RpcRequestId);

            rpcResponse.Add(pins);
            thingsBoard.SendRPCReply(rpcResponse);

            Debug.WriteLine("Get Gpio Status: " + rpcResponse.ToJson());
        }
 public void SendRPCReply(TBRpcResponse rpcResponse)
 {
     client.Publish(RPC_RESPONSE_TOPIC + rpcResponse.RpcResponsetId, Encoding.UTF8.GetBytes(rpcResponse.ToJson()), QoS, false);
 }