{ "type": "FeatureCollection", "name": "polygon_center", "crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:EPSG::32613" } }, "features": [ { "type": "Feature", "properties": { "text": "Label" }, "geometry": { "type": "Polygon", "coordinates": [ [ [ 608809.940253027365543, 4824812.875683634541929 ], [ 610393.494955702451989, 4824759.736264081671834 ], [ 610393.494955702451989, 4825386.781414804980159 ], [ 608788.684485206264071, 4825376.153530894778669 ], [ 608809.940253027365543, 4824812.875683634541929 ] ] ] } } ] }