public function createUser(array $config = [ ])
    {
        $result = $this->createUserInternal($config);
        $statusCode = (int)$result[ 'statusCode' ];
        
        if ($statusCode === 200) {
            return $this->getResultAsArrayWithoutStatusCode($result);
        }
        
        $this->reportUnexpectedResponse($result, 1490802526);
    }