header { gtfs_realtime_version: "2.0" timestamp: 1611384222 } entity { id: "154" vehicle { trip { trip_id: "1031160" start_date: "20210123" route_id: "9418" } position { latitude: 43.08104 longitude: -89.42821 } timestamp: 1611384192 vehicle { id: "2539" label: "154" } 9: 2 10: 40 } }