[
  {
    "code": "BTR-A3F2-K9X1-M7P2",
    "days": 30,
    "created": "2026-09-19 14:32:07",
    "created_by": "admin",
    "used": false,
    "used_by": null,
    "used_at": null,
    "note": "Promo launch"
  }
]