[
    {
        "mode": "NULLABLE",
        "name": "timestamp",
        "type": "TIMESTAMP"
    },
    {
        "mode":"NULLABLE",
        "name":"asn",
        "type":"STRING"
    },
    {
        "mode":"NULLABLE",
        "name":"fastly_is_edge",
        "type":"BOOLEAN"
    }
]
