{
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  "synthetic": true,
  "compression": "snappy",
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      "logical_type": "DATE",
      "repetition": "REQUIRED"
    },
    {
      "name": "market",
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      "logical_type": "UTF8",
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    },
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    },
    {
      "name": "query_topic",
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    },
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    },
    {
      "name": "source_domain",
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    },
    {
      "name": "destination_domain",
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    },
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      "name": "referral_visits",
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    },
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      "name": "unique_cohort_count",
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    },
    {
      "name": "click_through_rate",
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    },
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      "name": "median_seconds_to_visit",
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    },
    {
      "name": "device_class",
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    },
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      "name": "aggregation_window",
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    },
    {
      "name": "privacy_tier",
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    },
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    }
  ]
}