{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"VerticalReferenceFrame","name":"Helsinki 1960","scope":"Geodesy, topographic mapping.","area":"Finland - onshore.","bbox":{"south_latitude":59.75,"west_longitude":19.24,"north_latitude":70.09,"east_longitude":31.59},"id":{"authority":"EPSG","code":5116}}