public function createConversionEvent($config, $eventKey, $userId, $attributes, $eventTags)
    {
        $eventParams = $this->getCommonParams($config, $userId, $attributes);
        $eventEntity = $config->getEvent($eventKey);
        $conversionParams = $this->getConversionParams($eventEntity, $eventTags);

        $eventParams[VISITORS][0][SNAPSHOTS] = $conversionParams;
        return new LogEvent(self::$ENDPOINT, $eventParams, self::$HTTP_VERB, self::$HTTP_HEADERS);
    }