public function httpPostRequest($url, $parameters)
    {
        if (empty($this->client)) {
            $this->client = new Client(['verify' => false]);
        }

        $this->response = $this->client->request(
            'POST',
            $url,
            [
                'headers' => $this->getHeaders(),
                'json' => $parameters
            ]
        );
        $response = json_decode($this->response->getBody());

        return $response;
    }