#include <Arduino_JSON.h>

void setup() {
  Serial.begin(115200);
  String payloadJSON = "{\"12\":\"50\",\"13\":\"0\",\"14\":\"100\",\"4\":\"0\",\"101\":\"6000\"}";
  JSONVar myObject = JSON.parse(payloadJSON);
  Serial.println(myObject);

}

void loop() {
  // put your main code here, to run repeatedly:

}