{
    "parseOptions": {},
    "tables": [
        {
            "table_name": "city",
            "column_metadata": [
                {
                    "id": "id",
                    "type": "Int"
                },
                {
                    "id": "city",
                    "type": ["Space", "Monkey"]
                }
            ],
            "table_data": [
                [
                    1,
                    2
                ],
                [
                    "Berlin",
                    "Tokyo"
                ]
            ]
        }
    ]
}