{
  "openabtest": "0.1-draft",
  "producerId": "chovy-server",
  "manifestId": "chovy-signup-discount-v1",
  "manifestRevision": 1,
  "participantId": "participant-opaque-7d12",
  "at": "2026-09-15T12:00:00Z",
  "id": "event-eligibility-42",
  "kind": "eligibility",
  "payload": {
    "cohortId": "eligible-referred-customers",
    "eligible": true
  }
}