In my boat I have OpenPlotter / SignalK sending the mqtt-json boat position. but i don’t understand json formatting. would have been so fun getting it into the home assistant so can track the loction.
{“context”:“vessels.urn:mrn:signalk:uuid:4c179762-7e48-4e37-beb1-49fd56f8b776”,“updates”:[{“timestamp”:“2020-06-07T12:21:07.000Z”,"$source":“gps.GP”,“values”:[{“path”:“navigation.position”,“value”:{“longitude”:10.52201,“latitude”:59.903508333333335}}]}]}
 