{
  "fields": [
    "campaign_id",
    "impressions"
  ],
  "filters": [
    {
      "field": "organization_id",
      "op": "=",
      "value": 123456
    },
    {
      "field": "agency_id",
      "value": [
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      ]
    },
    {
      "field": "advertiser_id",
      "value": 123456
    },
    {
      "field": "campaign_name",
      "op": "=~",
      "value": "Test Campaign"
    }
  ],
  "order": [
    {
      "desc": false,
      "field": "agg_timestamp",
      "nulls_last": true
    }
  ],
  "pagination": {
    "page_index": 0,
    "page_size": 100
  },
  "rollup": "by_day",
  "time_window": "last_7_days"
}