{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "additionalProperties": false,
    "id": "#statementref",
    "properties": {
        "id": {
            "_format": "uuid",
            "type": "string"
        },
        "objectType": {
            "enum": [
                "StatementRef"
            ]
        }
    },
    "required": [
        "objectType",
        "id"
    ],
    "type": "object"
}