#include <ArduinoJson.h>

struct Integer {
  int Default;
  int Value;
  int Max;
  int Min;
  String Name;
  String PlaceHolder;
  String Type;
};

struct DeviceStatus {
  bool isConnected;
  int batteryLevel;
};

void setup() {
  Serial.begin(115200);

  // Create instances of the structs
  Integer Id;
  Id.Value=55;
  Id.Max=100;
  Id.Min=10;
  Id.Name="Device Id";
  Id.PlaceHolder="Device Id Mandatory";
  Id.Type="input";

  DeviceStatus deviceStatus;
  deviceStatus.isConnected = true;
  deviceStatus.batteryLevel = 80;

  // Create a JSON document
  DynamicJsonDocument jsonDoc(512);

  // Convert the structs to JSON
  JsonObject sensorObj = jsonDoc.createNestedObject("sensorData");
  sensorObj["Value"] = Id.Value;
  sensorObj["Max"]=Id.Max;
  sensorObj["Min"]=Id.Min;
  sensorObj["Name"]=Id.Name;
  sensorObj["PlaceHolder"]=Id.PlaceHolder;
  sensorObj["Type"]=Id.Type;

  JsonObject statusObj = jsonDoc.createNestedObject("deviceStatus");
  statusObj["isConnected"] = deviceStatus.isConnected;
  statusObj["batteryLevel"] = deviceStatus.batteryLevel;

  // Serialize the JSON document to a string
  String jsonString;
  serializeJson(jsonDoc, jsonString);

  // Print the JSON string
  Serial.println(jsonString);
}

void loop() {
  // Your code here
}