public function setPreferencesForContact($contactId, $preferences)
    {
        $url = $this->getApiEndpoint() . "/v2/contact/" . $contactId . "/preferences";
        $this->setUrl($url)
            ->setVerb('PUT')
            ->buildPostBody($preferences);

        $response = $this->execute();

        if (isset($response->message)) {
            $this->helper->log('SET PREFERENCES FOR CONTACT: ' . $response->message);
        }

        return $response;
    }