centroid
{"type":"Feature","properties":{"id":2161517399},"geometry":{"type":"Point","coordinates":[2.294392,48.85745]}}
polygon
{"type":"Feature","properties":{"id":2161517399},"geometry":{"type":"Polygon","coordinates":[[[2.294399,48.857461],[2.294384,48.857471],[2.294361,48.857454],[2.294374,48.857445],[2.2944,48.857429],[2.294423,48.857446],[2.294399,48.857461],[2.294399,48.857461]]]}}