public function __construct($instagram, $userId, $maxId = null)
{
parent::__construct($instagram);
$this->userId = $userId;
$this->addParam("module", "overview");
$this->addParam("support_new_api", "true");
$this->addParam("rank_token", $instagram->getRankToken());
if ($maxId != null) {
$this->addParam("max_id", $maxId);
}
}