public function __construct($instagram, $username, $password)
{
parent::__construct($instagram);
$this->setSignedBody(array("phone_id" => $instagram->getPhoneId(), "username" => $username, "guid" => $instagram->getGUID(), "device_id" => $instagram->getDeviceId(), "password" => $password, "login_attempt_count" => "0"));
}