curl --request PATCH \
  --url https://discord.com/api/v10/lobbies/{lobby_id}/channel-linking \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "channel_id": "<unknown>"
}
'

{
  "id": "<string>",
  "application_id": "<string>",
  "metadata": {},
  "members": [
    {
      "id": "<string>",
      "metadata": {},
      "flags": 123
    }
  ],
  "flags": 2147483647,
  "linked_channel": {
    "id": "<string>",
    "type": 0,
    "flags": 123,
    "guild_id": "<string>",
    "name": "<string>",
    "position": 123,
    "last_message_id": "<unknown>",
    "last_pin_timestamp": "2023-11-07T05:31:56Z",
    "parent_id": "<unknown>",
    "rate_limit_per_user": 123,
    "bitrate": 123,
    "user_limit": 123,
    "rtc_region": "<string>",
    "video_quality_mode": 123,
    "permissions": "<string>",
    "topic": "<string>",
    "default_auto_archive_duration": 123,
    "default_thread_rate_limit_per_user": 123,
    "permission_overwrites": [
      {
        "id": "<string>",
        "type": 123,
        "allow": "<string>",
        "deny": "<string>"
      }
    ],
    "nsfw": true,
    "available_tags": [
      {
        "id": "<string>",
        "name": "<string>",
        "moderated": true,
        "emoji_id": "<unknown>",
        "emoji_name": "<string>"
      }
    ],
    "default_reaction_emoji": "<unknown>",
    "default_sort_order": "<unknown>",
    "default_forum_layout": "<unknown>",
    "default_tag_setting": "<unknown>",
    "hd_streaming_until": "2023-11-07T05:31:56Z",
    "hd_streaming_buyer_id": "<string>"
  },
  "override_event_webhooks_url": "<string>"
}