{"type": "FeatureCollection", "_meta": {"__meta__": "synthetic", "disclaimer": "Synthetic demo data inspired by real Baltic geography, MMSI/OUI conventions, and infrastructure. Not real observations.", "dataset": "s7-drone-swarm-from-ship/aoi", "version": "1.0"}, "features": [{"type": "Feature", "properties": {"featureId": "s7-aoi", "name": "S7 \u2014 Drone Swarm Area of Interest"}, "geometry": {"type": "Polygon", "coordinates": [[[23.0, 59.55], [26.5, 59.55], [26.5, 60.45], [23.0, 60.45], [23.0, 59.55]]]}}]}