{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "type": "object",
    "properties": {
        "attributes": {
            "type": "object",
            "properties": {}
        },
        "geometry": {
            "type": "object",
            "properties": {}
        }
    },
    "required": [
        "attributes",
        "geometry"
    ]
}