Testing different variants of:
```
const notf: TunnelbrokerFCMNotif = {
type: 'FCMNotif',
clientMessageID: uuid.v4(),
deviceID: '3434',
data: JSON.stringify({
id: '1234',
body: 'test notif from TB',
title: 'HELLO FROM TB',
prefix: 'pref',
threadID: 'thread',
badge: '12',
}),
priority: 'HIGH',
};
await sendNotif(notf);
```