Constructor: updateReadMonoForumOutbox
Attributes:
Type: Update
Example:
$updateReadMonoForumOutbox = ['_' => 'updateReadMonoForumOutbox', 'channel_id' => long, 'saved_peer_id' => Peer, 'read_max_id' => int];
$updateReadMonoForumOutbox = ['_' => 'updateReadMonoForumOutbox', 'channel_id' => long, 'saved_peer_id' => Peer, 'read_max_id' => int];