Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGbZtC/EnXjvWobQORmuMbpjP4dFEDZqxV2KSs/IYemaybCV3d4Nqhj1H4K… (1,748 chars)"
  }
}