public function getFeature($featureName, $params = array(), $apiContext = null, $restCall = null)
    {
        ArgumentValidator::validate($featureName, 'featureName');
        ArgumentGetParamsValidator::validate($params, 'params');
        $allowedParams = array();
        $params = ArgumentGetParamsValidator::sanitize($params, $allowedParams);

        $payLoad = "";

        $chainUrlPrefix = $this->getChainUrlPrefix($apiContext);

        $json = $this->executeCall(
            "$chainUrlPrefix/feature/$featureName?" . http_build_query($params),
            "GET",
            $payLoad,
            null,
            $apiContext,
            $restCall
        );
        return $json;
    }