public function save()
    {
        try {
            if (isset($this->data['_id'])) {
                $this->data = array_merge($this->data, $this->chill->put($this->_id, $this->data));
            } else {
                $this->data = array_merge($this->data, $this->chill->post($this->data));
            }

            return true;
        } catch (Chill\Exception $ex) {
            return false;
        }
    }