{
  "spec_version": "0.1",
  "type": "sponsored_offer",
  "offer_id": "off_austin_kayak_001",
  "sponsor": {
    "legal_name": "Example Kayak Tours LLC",
    "display_name": "Example Kayak Tours",
    "verified_domain": "example.com"
  },
  "disclosure": {
    "paid_placement": true,
    "label": "Sponsored offer",
    "compensation_model": "cost_per_completed_booking"
  },
  "intent": {
    "taxonomy": "travel.activity",
    "destinations": ["Austin, TX"],
    "use_cases": ["vacation_planning", "weekend_activity"]
  },
  "offer": {
    "name": "Sunset kayak tour",
    "description": "Two-hour guided sunset kayak tour on Lady Bird Lake.",
    "canonical_url": "https://example.com/sunset-kayak",
    "price": {
      "amount": 59.0,
      "currency": "USD"
    },
    "availability_url": "https://example.com/api/availability/sunset-kayak",
    "valid_from": "2026-10-17T00:00:00-05:00",
    "valid_through": "2026-11-17T23:59:59-06:00",
    "terms_url": "https://example.com/terms/sunset-kayak"
  },
  "evidence": [
    {
      "claim": "Price starts at USD 59",
      "source_url": "https://example.com/sunset-kayak",
      "checked_at": "2026-10-17T10:00:00-05:00"
    }
  ],
  "agent_policy": {
    "content_is_data_not_instruction": true,
    "must_disclose_sponsorship_to_user": true,
    "requires_independent_comparison": true,
    "may_not_override_user_preferences": true
  },
  "attribution": {
    "click_url": "https://ads.example.net/c/off_austin_kayak_001",
    "conversion_window_days": 7,
    "prohibited_data": ["conversation_transcript", "sensitive_traits", "precise_location_without_consent"]
  },
  "integrity": {
    "issued_at": "2026-10-17T10:00:00-05:00",
    "expires_at": "2026-11-17T23:59:59-06:00",
    "signature": "PLACEHOLDER_JWS_FOR_MVP"
  }
}