this._socketService.getSocket().onmessage = ((message: Message) => {
  const uiArray = new Uint8Array(message.data);
  this.parseMessage(uiArray);
});

parseMessage(uiArray: Uint8Array) {
  let response = null;

  // DOES NOT WORK
  // response = reqRep.Response.deserializeBinary(uiArray) || notif.BackendStatusNotification.deserializeBinary(uiArray);

  // <==== This is where I need to find a good way to deserialize efficiently my objects
  // TEMPORARY
  if (uiArray.byteLength === 56) {
    response = reqRep.Response.deserializeBinary(uiArray)
  } else {
    response = notif.BackendStatusNotification.deserializeBinary(uiArray);
  }

  // Notify different Observables which object has changed based on their type
  switch (response && response.hasSupplement() && response.getSupplement().array[0]) {
    case 'type.googleapis.com/req.BackendStatusResponse':
       this._responseSubject.next(response);
       break;
     case 'type.googleapis.com/notif.BackendStatusNotification':
       this._notificationSubject.next(response);
       break;
     default:
       console.log('DOESN'T WORK');
   }
}