{
  "accounts": [
    {
      "accountId": "demo-account",
      "baseDays": 7,
      "campaigns": [
        {
          "campaignId": "cmp-scale",
          "name": "Scale Winners",
          "spend": 4200,
          "impressions": 140000,
          "clicks": 3500,
          "conversions": 210,
          "revenue": 12600
        },
        {
          "campaignId": "cmp-low-ctr",
          "name": "Creative Fatigue",
          "spend": 2800,
          "impressions": 160000,
          "clicks": 1600,
          "conversions": 35,
          "revenue": 4200
        },
        {
          "campaignId": "cmp-high-cpa",
          "name": "Broad Prospecting",
          "spend": 3000,
          "impressions": 100000,
          "clicks": 3000,
          "conversions": 50,
          "revenue": 5000
        }
      ]
    }
  ]
}