Парсинг JSON

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есть пример

  {
   "kind": "youtube#commentThread",
   "etag": "\"8jEFfXBrqiSrcF6Ee7MQuz8XuAM/9AR95genbbPhikA07A4SRhg8xNY\"",
   "id": "UgwG_3C_ZHVAmccWbAt4AaABAg",
   "snippet": {
    "videoId": "1YzSiC0L5io",
    "topLevelComment": {
     "kind": "youtube#comment",
     "etag": "\"8jEFfXBrqiSrcF6Ee7MQuz8XuAM/03iFcMpYyZeVHp7E2i-jY5_qNSc\"",
     "id": "UgwG_3C_ZHVAmccWbAt4AaABAg",
     "snippet": {
      "authorDisplayName": "PSX",
      "authorProfileImageUrl": "https://yt3.ggpht.com/-fJYFYcBtCTA/AAAAAAAAAAI/AAAAAAAAAAA/zQ_8KxBetwg/s28-c-k-no-mo-rj-c0xffffff/photo.jpg",
      "authorChannelUrl": "http://www.youtube.com/channel/UCTwNffaYuXrCBEIjq2w5JwA",
      "authorChannelId": {
       "value": "UCTwNffaYuXrCBEIjq2w5JwA"
      },
      "videoId": "1YzSiC0L5io",
      "textDisplay": "22 - опаздун",
      "textOriginal": "22 - опаздун",
      "canRate": true,
      "viewerRating": "none",
      "likeCount": 0,
      "publishedAt": "2019-09-07T13:59:18.000Z",
      "updatedAt": "2019-09-07T13:59:18.000Z"
     }
    },
    "canReply": true,
    "totalReplyCount": 0,
    "isPublic": true
   }
  },
  {
   "kind": "youtube#commentThread",
   "etag": "\"8jEFfXBrqiSrcF6Ee7MQuz8XuAM/EzgyWNl8CSqTYEmui2R5GI4BqjM\"",
   "id": "Ugwlz8LDP1nYnbVTZ-F4AaABAg",
   "snippet": {
    "videoId": "1YzSiC0L5io",
    "topLevelComment": {
     "kind": "youtube#comment",
     "etag": "\"8jEFfXBrqiSrcF6Ee7MQuz8XuAM/-729rR5KHCv7WaGptJCVAaWnW_g\"",
     "id": "Ugwlz8LDP1nYnbVTZ-F4AaABAg",
     "snippet": {
      "authorDisplayName": "PSX",
      "authorProfileImageUrl": "https://yt3.ggpht.com/-fJYFYcBtCTA/AAAAAAAAAAI/AAAAAAAAAAA/zQ_8KxBetwg/s28-c-k-no-mo-rj-c0xffffff/photo.jpg",
      "authorChannelUrl": "http://www.youtube.com/channel/UCTwNffaYuXrCBEIjq2w5JwA",
      "authorChannelId": {
       "value": "UCTwNffaYuXrCBEIjq2w5JwA"
      },
      "videoId": "1YzSiC0L5io",
      "textDisplay": "21 - и такие ебанутые повсюду",
      "textOriginal": "21 - и такие ебанутые повсюду",
      "canRate": true,
      "viewerRating": "none",
      "likeCount": 0,
      "publishedAt": "2019-09-07T13:58:59.000Z",
      "updatedAt": "2019-09-07T13:58:59.000Z"
     }
    },
    "canReply": true,
    "totalReplyCount": 0,
    "isPublic": true
   }
  },

как через парсинг json получить в лист значения - authorChannelUrl ?

такой варик выдает только пустые строки
http://dl4.joxi.net/drive/2019/09/07/0011/3379/724275/75/d68bb7fe7e.jpg

 

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ответ

http://dl3.joxi.net/drive/2019/09/07/0011/3379/724275/75/cc8871d398.jpg

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