public function __construct($instagram, $mediaId, $comment)
{
parent::__construct($instagram);
$this->mediaId = $mediaId;
//TODO: Add Parameters to Signed Body 'user_breadcrumb' and 'idempotence_token'
$this->setSignedBody(array("comment_text" => $comment, "_csrftoken" => $instagram->getCSRFToken(), "_uid" => $instagram->getLoggedInUser()->getPk(), "_uuid" => $instagram->getUUID()));
}