centroid
{"type":"Feature","properties":{"id":2157183350},"geometry":{"type":"Point","coordinates":[7.334124,43.70441]}}
polygon
{"type":"Feature","properties":{"id":2157183350},"geometry":{"type":"Polygon","coordinates":[[[7.334181,43.704453],[7.334161,43.704463],[7.334066,43.704366],[7.334085,43.704356],[7.334181,43.704453],[7.334181,43.704453]]]}}