VKChannelDataDto

{
    "group_id": 158819144,
    "screen_name": "my_community",
    "callback_server_id": "12345",
    "confirmation_token": "abc123def",
    "group_avatar_url": "https://avatars-ai.senler.ru/bots/vk/158819144.jpg",
    "webhook_enabled": true,
    "webhook_status": "not_set",
    "webhook_error": "string",
    "webhook_warning": "string",
    "webhook_last_checked_at": "2026-06-04T10:00:00.000Z"
}