Constructor: requestedPeerChannel
Attributes:
Type: RequestedPeer
Example:
$requestedPeerChannel = ['_' => 'requestedPeerChannel', 'channel_id' => long, 'title' => 'string', 'username' => 'string', 'photo' => Photo];
$requestedPeerChannel = ['_' => 'requestedPeerChannel', 'channel_id' => long, 'title' => 'string', 'username' => 'string', 'photo' => Photo];