{
  "fixture": "synthetic",
  "source": "finance-revenue-view",
  "as_of": "2026-09-02T09:01:00Z",
  "rows": [
    {"campaign_id": "C-101", "revenue_eur": 22600},
    {"campaign_id": "C-102", "revenue_eur": 21100},
    {"campaign_id": "C-103", "revenue_eur": 17300}
  ]
}