{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"VerticalReferenceFrame","name":"Japanese Standard Levelling Datum 1969","scope":"Geodesy, topographic mapping.","area":"Japan - onshore mainland - Honshu, Shikoku, Kyushu.","bbox":{"south_latitude":30.94,"west_longitude":129.3,"north_latitude":41.58,"east_longitude":142.14},"id":{"authority":"EPSG","code":5122}}