{
  "ok": true,
  "clientSlug": "timtailieu-vn-tai-lieu-ebook-giao-trinh-o-an-luan-van",
  "pricingNotes": {
    "summary": "",
    "currency": "",
    "rule": "",
    "restrictions": ""
  },
  "offers": [],
  "rule": "Prices and availability must follow the published profile. If uncertain, route to human confirmation."
}