private function sendRequest($path, $requestBody, $options, $method)
    {
        $url = $this->instanceURLRepo->get();
        $url .= '/'.trim($path, "/\t\n\r\0\x0B");

        $options['method'] = $method;
        if (!empty($requestBody)) {
            $options['body'] = $requestBody;
        }

        return $this->request($url, $options);
    }