SiteWebinarRoomPreJoinResponse

{
    "room_id": "room-id",
    "room_display_name": "Room display name",
    "client_id": "Client ID",
    "participants_count": 10,
    "owner_id": 1,
    "participants": [
        {
            "name": "John Doe",
            "image": "https://example.com/image.jpg"
        }
    ]
}