Materialize/test/fivetran-destination/test-writes/05-update.json

{
    "describe_table": [
        "test_writes"
    ],
    "ops": [
        {
            "update": {
                "test_writes": [
                    {
                        "k1": "2",
                        "k2": "a",
                        "v2": "{\"x\": \"z\"}"
                    }
                ]
            }
        }
    ]
}