#include <ArduinoJson.h>
// Copyright Siwat INC(tm) 2019
// Created by Siwat Sirichai
// ESPCommander EXTENDED v1.2
void espcommander(String topic, String rawcommand)  {
    StaticJsonDocument<200> doc;
    DeserializationError error = deserializeJson(doc, rawcommand);
    if (error) {
      Serial.print(F("deserializeJson() failed: "));
      Serial.println(error.c_str());
    return;
    }
  const char* command = doc["command"];
  const char* value = doc["value"];
}