try {
     const notif: TunnelbrokerAPNsNotif = {
       type: 'APNsNotif',
       headers: JSON.stringify({ 'apns-topic': 'app.comm' }),
       clientMessageID: uuid.v4(),
       deviceID: '[my device ID]',
       payload:
         '{"aps":{"alert":{"title":"your_title_here","body":"your_body_here"},"mutable-content":1}}',
     };
     await sendNotif(notif);
   } catch (e) {
     console.log(e);
   }