UnityWebRequest Post和Get数据的封装

public class WebRequest : MonoBehaviour
{
   
    private void Start()
    {
        string url = "http://192.169.19.239:8081/Sim";
        Dictionary keyValues = new Dictionary();
        keyValues.Add("request", "userInfo");
        HttpHelper.Request(this, url, HttpHelper.MethodType.POST, keyValues, delegate (object value) {
            // 这个object的封箱和拆箱有什么好办法吗？
            Debug.Log(value.ToString());
        }, HttpHelper.DownloadHanlderType.kHttpTEXT);
    }
}

public class HttpHelper
{
    public enum MethodType
    {
        GET,
        POST
    }

    public class DownloadHanlderType
    {
        public const string kHttpBYTE = "BYTE";
        public const string kHttpTEXT = "TEXT";
    }

   
    public static void Request(MonoBehaviour mono, string url, MethodType method, Dictionary form, Action