Complicated INNER JOIN Mysql Query From 3 Tables in Laravel

I've been on this for a few hours without solution. I thought of laravel relationships but don't know how to pass a second condition because I need to relate with 3 tables. I'd like to use the query below in laravel.

SELECT
subscriptions.subscribed_to,
broadcasts. *,
FROM subscriptions
INNER JOIN broadcasts
WHERE subscriptions.subscriber = {$user_id}
AND (
    SELECT COUNT(*) FROM seen_broadcasts
    WHERE user_id = {$user_id}
    AND broadcast_id = broadcasts.id
) = 0
ORDER BY  broadcast.date DESC

This currently works outside laravel.

via Chebli Mohamed