{
  "notice": "Fictional training data. Not real customer performance.",
  "currency": "USD",
  "period": "2026-09",
  "definitions": {
    "leads": "Unique campaign-attributed leads in this illustrative dataset",
    "opportunities": "Qualified opportunities attributed to that campaign",
    "pipeline": "Unweighted attributed pipeline value; not revenue"
  },
  "campaigns": [
    {"campaign": "Search", "spend": 1200, "leads": 60, "opportunities": 6, "pipeline": 60000},
    {"campaign": "LinkedIn", "spend": 1800, "leads": 30, "opportunities": 5, "pipeline": 90000},
    {"campaign": "Webinar", "spend": 600, "leads": 40, "opportunities": 4, "pipeline": 50000},
    {"campaign": "Partner", "spend": 400, "leads": 20, "opportunities": 3, "pipeline": 45000}
  ]
}