private function send($method, $uri, $data, $type = 'json')
    {
        // Make the Request to Watson.
        $response = $this->request($method, $uri, [$type => $data]);
        // Request Failed.
        if ($response->getStatusCode() != 200) {
            // Throw Watson Bridge Exception.
            $this->failedRequest($response);
        }

        // We return response.
        return $response;
    }