curl -X GET 'https://open.douyin.com/im/group/fans/list/?open_id=123-456-890'\
-H 'Content-Type:application/json' \
-H 'access-token:act.1d1021d2aee3d41fee2d2add43456badMFZnrhFhfWotu3Ec'

{
  "extra": {
    "description": "",
    "sub_error_code": 0,
    "sub_description": "",
    "now": 1648797449,
    "logid": "021648797449846fd1b1111000700600000000000000086dfb920",
    "error_code": 0
  },
  "data": {
    "error_code": 0,
    "description": ""
  },
  "group_list": [
    {
      "exist_num": 1,
      "group_name": "group_name",
      "max_num": 500,
      "description": "description",
      "entry_limit": null,
      "group_id": "@aaaaaa==",
      "status": "Normal",
      "tags": null,
      "avatar_uri": "avatar_uri"
    }
  ]
}