{
  "provider": "OpenStreetMap contributors",
  "url": "https://www.openstreetmap.org/relation/5606982",
  "relation": 5606982,
  "version": 9,
  "timestamp": "2025-04-15T04:11:48Z",
  "retrieved": "2026-10-04T23:40:34Z",
  "coordinateSystem": "WGS84",
  "license": "ODbL 1.0",
  "licenseUrl": "https://www.openstreetmap.org/copyright",
  "geometrySha256": "a75e1ed94f4850ac7ad49bdf2381812f70f74ca1a0e2edb88dd175eb48ba4bbe",
  "rawSha256": "de09b34b1f433bf80bbacafb8ae5a34f1af1f79814cf3588678e48219e9b4728",
  "vertices": 472,
  "holes": 2,
  "areaKm2": 4.407031692278514,
  "reference": {
    "url": "https://www.lingang.gov.cn/html/website/lg/index/news/list/p1559133905388433410.html",
    "mainWaterSurfaceKm2": 4.46
  },
  "processing": "Retain every mapped water-edge vertex and interior island hole. No circle approximation, simplification or coordinate conversion."
}