test_feature_col.json

{
    "type": "FeatureCollection",
    "features": [
        {
            "type": "Feature",
            "properties": {},
            "geometry": {
                "coordinates": [
                    [
                        [
                            -122.44042073493674,
                            37.78393485513989
                        ],
                        [
                            -122.44042073493674,
                            37.78258944782999
                        ],
                        [
                            -122.43841053975626,
                            37.78258944782999
                        ],
                        [
                            -122.43841053975626,
                            37.78393485513989
                        ],
                        [
                            -122.44042073493674,
                            37.78393485513989
                        ]
                    ]
                ],
                "type": "Polygon"
            }
        },
        {
            "type": "Feature",
            "properties": {},
            "geometry": {
                "coordinates": [
                    [
                        [
                            -122.43573272452956,
                            37.76296979946997
                        ],
                        [
                            -122.43573272452956,
                            37.76218230555534
                        ],
                        [
                            -122.4348271538876,
                            37.76218230555534
                        ],
                        [
                            -122.4348271538876,
                            37.76296979946997
                        ],
                        [
                            -122.43573272452956,
                            37.76296979946997
                        ]
                    ]
                ],
                "type": "Polygon"
            }
        }
    ]
}