public function sendVerificationEmail($user_id, $result_url = null)
{
$body = ['user_id' => $user_id];
if (!is_null($result_url)) {
$body['result_url'] = $result_url;
}
return $this->apiClient->post()->jobs()->addPath('verification-email')->withHeader(new ContentType('application/json'))->withBody(json_encode($body))->call();
}