List adverts

{
    "success": true,
    "data": [
        {
            "id": 1,
            "name": "Sample Advertisement",
            "text": "This is a sample advertisement text",
            "pic_url": "https://example.com/image.jpg",
            "button_caption": "Click Me",
            "button_url": "https://example.com",
            "parse_mode": "HTML",
            "admitted": true,
            "created_at": "2024-01-01T00:00:00Z",
            "updated_at": "2024-01-15T10:30:00Z"
        }
    ],
    "pagination": {
        "current_page": 1,
        "per_page": 25,
        "total_count": 50,
        "total_pages": 2
    }
}