#include <ArduinoJson.h>
DynamicJsonDocument jsonNodes(2048);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  uint32_t nodeId = 314123123;

  // JSON Root Arrat Creation
  JsonArray parentArray = jsonNodes.as<JsonArray>();

  for (JsonArray::iterator parent = parentArray.begin(); parent != parentArray.end(); ++parent) {
    if ((*parent)["nodeId"] == nodeId) {
      return;
    }
  }

  JsonArray childArray = jsonNodes.createNestedArray("child");
    JsonObject childObject = childArray.createNestedObject();
    childObject["nodeId"] = nodeId;

  serializeJson(jsonNodes, Serial);
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}