{"type": "FeatureCollection", "_meta": {"__meta__": "synthetic", "disclaimer": "Synthetic demo data inspired by real Baltic geography, MMSI/OUI conventions, and infrastructure. Not real observations.", "dataset": "s6-multi-stage-combo/s6_aallotar_track_filed", "version": "1.0"}, "features": [{"type": "Feature", "properties": {"featureId": "s6-aallotar-track-filed", "name": "MV AALLOTAR filed/declared track", "mmsi": 230999401, "timestamps": ["2025-10-15T04:00:00.000000Z", "2025-10-15T04:30:00.000000Z", "2025-10-15T05:05:00.000000Z", "2025-10-15T05:43:00.000000Z", "2025-10-15T06:10:00.000000Z", "2025-10-15T07:30:00.000000Z", "2025-10-15T09:00:00.000000Z", "2025-10-15T11:00:00.000000Z", "2025-10-15T14:00:00.000000Z", "2025-10-15T18:45:00.000000Z"]}, "geometry": {"type": "LineString", "coordinates": [[22.9, 59.78], [23.15, 59.82], [23.42, 59.84], [23.62, 59.85], [23.88, 59.88], [24.02, 59.92], [24.45, 59.95], [24.7, 59.97], [25.1, 60.05], [24.955, 60.15]]}}]}