public static function lookup($payload, $apiContext = null, $soapCall = null)
    {
        $methodName = 'getLookupTransaction';

        $json = self::executeCall(
            $methodName,
            $payload,
            null,
            $apiContext,
            $soapCall
        );

        $ret = new self();
        $ret->fromJson($json);
        return $ret;
    }