root/tools/routingservice/trunk/templates/catch/catch_geojson.st

{ "type": "FeatureCollection",
        "features": [
                { "type": "Feature",
                        "geometry": {
                                "type": "Polygon",
                                "coordinates": [[ $poly$ ]]
                        },
                        "crs": {
                                "type": "EPSG",
                                "properties": {"code": "srid"}
                        },
                        "properties": {}
                }
        ],
        "status": {
                "code": 200,
                "request": "catch"
        },
        "user": {
                "request_id": "$request_id$"
        }
}