public static void makeAuthorization(String uuid, String username, String password) throws Exception{
        URL apiurl = new URL(authAPI);
        HttpURLConnection urlc = (HttpURLConnection) apiurl.openConnection();
        urlc.setRequestMethod("POST");
//        urlc.setRequestProperty("grant_type", "client_credentials");

        urlc.setDoInput(true);
        urlc.setDoOutput(true);

        String ss = username + ":" + password;
        String base = Base64.getEncoder().encodeToString(ss.getBytes());

        System.out.println(ss);
        System.out.println(base);

        urlc.setRequestProperty("Authorization","Authorization: Basic " + base);

//        urlc.setRequestProperty("grant_type", "client_credentials");

//        String str =  "{\"grant_type\":\"client_credentials\"}";
//        String str = "{\"Authorization\":\"Authorization: Basic " + base + "\"}";
        String str = "grant_type:client_credentials";
        byte[] outputInBytes = str.getBytes("UTF-8");
        OutputStream os = urlc.getOutputStream();
        os.write( outputInBytes );
        os.close();


        String inputstream = "";
        Scanner s = new Scanner(urlc.getInputStream());
        while (s.hasNextLine()){
            inputstream += s.nextLine();
        }
        s.close();

        System.out.println(inputstream);


    }