StreetLight/Assets/StreetLight/Serialization/GameObjectConverter.cs

using Newtonsoft.Json;
using System;
using UnityEngine;

namespace Assets.StreetLight.Serialization
{
    public class GameObjectConverter : JsonConverter
    {
        public override bool CanConvert(Type objectType)
        {
            return objectType == typeof(GameObject);
        }

        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
        {
            return new GameObject();
        }

        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
        {
            var gameObject = (GameObject)value;

            if (gameObject == null)
            {
                writer.WriteValue("null");
            }
            else
            {
                writer.WriteValue(gameObject);
            }
        }
    }
}