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 Json Online editing    , Convert to parsing class website ：JSON turn C# Entity class -BeJSON.com

{
  "ConfigInfo": [
    {
      "Name": " red tourism ",
      "Audio": "/Audios/1631001459775.mp3",
      "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png",
      "ParentPointItmes": [
        {
          "PointName": " red tourism 1",
          "PointAudio": "/Audios/1631001459775.mp3",
          "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png",
          "ChildPointItmes": [
            {
              "PointName": " Former residence of Chen Yi 1",
              "PointAudio": "/Audios/1631001459775.mp3",
              "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png"
            },
            {
              "PointName": " Jinggang Mountains 1",
              "PointAudio": "/Audios/1631001459775.mp3",
              "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png"
            },
            {
              "PointName": " The former site of Zunyi Conference 1",
              "PointAudio": "/Audios/1631001459775.mp3",
              "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png"
            }
          ]
        },
        {
          "PointName": " red tourism 2",
          "PointAudio": "/Audios/1631001459775.mp3",
          "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png",
          "ParentPointItmes": [
            {
              "PointName": " Former residence of Chen Yi 2",
              "PointAudio": "/Audios/1631001459775.mp3",
              "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png"
            },
            {
              "PointName": " Jinggang Mountains 2",
              "PointAudio": "/Audios/1631001459775.mp3",
              "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png"
            },
            {
              "PointName": " The former site of Zunyi Conference 3",
              "PointAudio": "/Audios/1631001459775.mp3",
              "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png"
            }
          ]
        }
      ]
    },
    {
      "Name": " Red showroom ",
      "Audio": "/Audios/1631001459775.mp3",
      "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png",
      "ParentPointItmes": [
        {
          "PointName": " Red showroom 1",
          "PointAudio": "/Audios/1631001459775.mp3",
          "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png",
          "ChildPointItmes": [
            {
              "PointName": " Anti Japanese War Memorial 1",
              "PointAudio": "/Audios/1631001459775.mp3",
              "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png"
            },
            {
              "PointName": " Liberation War Memorial 1",
              "PointAudio": "/Audios/1631001459775.mp3",
              "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png"
            },
            {
              "PointName": " found a party 100 Anniversary of the 1",
              "PointAudio": "/Audios/1631001459775.mp3",
              "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png"
            }
          ]
        },
        {
          "PointName": " Red showroom 2",
          "PointAudio": "/Audios/1631001459775.mp3",
          "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png",
          "ChildPointItmes": [
            {
              "PointName": " Anti Japanese War Memorial 2",
              "PointAudio": "/Audios/1631001459775.mp3",
              "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png"
            },
            {
              "PointName": " Liberation War Memorial 2",
              "PointAudio": "/Audios/1631001459775.mp3",
              "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png"
            },
            {
              "PointName": " found a party 100 Anniversary of the 2",
              "PointAudio": "/Audios/1631001459775.mp3",
              "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png"
            }
          ]
        }
      ]
    },
    {
      "Name": " Clean government education ",
      "Audio": "/Audios/1631001459775.mp3",
      "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png",
      "ParentPointItmes": [
        {
          "PointName": " Clean government education 1",
          "PointAudio": "/Audios/1631001459775.mp3",
          "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png",
          "ChildPointItmes": [
            {
              "PointName": " Integrity one 1",
              "PointAudio": "/Audios/1631001459775.mp3",
              "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png"
            },
            {
              "PointName": " Integrity one 2",
              "PointAudio": "/Audios/1631001459775.mp3",
              "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png"
            },
            {
              "PointName": " Integrity one 3",
              "PointAudio": "/Audios/1631001459775.mp3",
              "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png"
            }
          ]
        },
        {
          "PointName": " Clean government education 2",
          "PointAudio": "/Audios/1631001459775.mp3",
          "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png",
          "ChildPointItmes": [
            {
              "PointName": " Integrity II 1",
              "PointAudio": "/Audios/1631001459775.mp3",
              "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png"
            },
            {
              "PointName": " Integrity II 2",
              "PointAudio": "/Audios/1631001459775.mp3",
              "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png"
            },
            {
              "PointName": " Integrity II 3",
              "PointAudio": "/Audios/1631001459775.mp3",
              "ImageUrl": "/Images/ Xiangshan Memorial Hall /2021-05-25 11_14_07_043.png"
            }
          ]
        }
      ]
    }
  ]
}

  Parsing class ：

// If easy to use , Please collect the address , Help share .
using System;
using System.Collections.Generic;

[Serializable]
public class ChildPointItmesItem
{
    /// <summary>
    /// 
    /// </summary>
    public string PointName;
    /// <summary>
    /// 
    /// </summary>
    public string PointAudio;
    /// <summary>
    ///
    /// </summary>
    public string ImageUrl;
}

[Serializable]
public class ParentPointItmesItem
{
    /// <summary>
    /// 
    /// </summary>
    public string PointName;
    /// <summary>
    /// 
    /// </summary>
    public string PointAudio;
    /// <summary>
    /// 
    /// </summary>
    public string ImageUrl;
    /// <summary>
    /// 
    /// </summary>
    public List<ChildPointItmesItem> ChildPointItmes;
}

[Serializable]
public class ConfigInfoItem
{
    /// <summary>
    /// 
    /// </summary>
    public string Name;
    /// <summary>
    /// 
    /// </summary>
    public string Audio;
    /// <summary>
    /// 
    /// </summary>
    public string ImageUrl;
    /// <summary>
    /// 
    /// </summary>
    public List<ParentPointItmesItem> ParentPointItmes;
}

public class Root
{
    /// <summary>
    /// 
    /// </summary>
    public List<ConfigInfoItem> ConfigInfo;
}

  Calling method ：

 public Transform transform;
    void Start()
    {
        // file found 
        string jsonTest = File.ReadAllText("D:/Data.json", Encoding.UTF8);
        // Call directly Unity Provided interface JsonUtility.FromJson You can realize parsing 
        List<ConfigInfoItem> configInfo = JsonUtility.FromJson<Root>(jsonTest).ConfigInfo;
        Debug.Log(jsonTest);
        for (int i = 0; i < configInfo.Count; i++)
        {
            Debug.Log(configInfo[i].Name);
            //GlobalFunction.CreationUI("ItmeList", transform);
        }

    }