public function analyzeBlob($text)
    {

        $config = Config::getInstance();
        $url = $config->getParams()['credentials']['url']
             . '/v2/profile';

        return $this->_worker->post(
            $url,
            array(
                'body' => $text,
                'headers' => array('Content-Type' => 'text/plain'),
            )
        );
    }