public String post(String address, String request) {
    String response = "";
    try {
        URL obj = new URL(address);
        HttpsURLConnection con = (HttpsURLConnection) obj.openConnection();
        con.setRequestMethod("POST");
        con.setRequestProperty("Authorization", authorization);
        con.setRequestProperty("Content-Type", "application/json");

        con.setDoOutput(true);

        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.writeBytes(request);
        wr.flush();
        wr.close();

        BufferedReader in = new BufferedReader(
                new InputStreamReader(con.getInputStream()));
        String line;
        while ((line = in.readLine()) != null) {
            response += line;
        }
        in.close();

    } catch (IOException e) {
        logger.error("HttpsRequestHandler error: " + e.getMessage());
            return null;
    }
    return response;
}