{"$schema":"https://proj.org/schemas/v0.7/projjson.schema.json","type":"VerticalCRS","name":"RGM_2004","datum":{"type":"VerticalReferenceFrame","name":"D_Reseau_Geodesique_de_Mayotte_2004"},"coordinate_system":{"subtype":"vertical","axis":[{"name":"Ellipsoidal height","abbreviation":"h","direction":"up","unit":"metre"}]},"scope":"Not known.","area":"Mayotte - onshore and offshore.","bbox":{"south_latitude":-14.49,"west_longitude":43.68,"north_latitude":-11.33,"east_longitude":46.7},"id":{"authority":"ESRI","code":115780}}