Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD/EFsR4k9lhHjLZLwSp2xRtrhMzNvImuJw9TGTYAJrZGzgRx3SVzGMQ3TI… (1,748 chars)"
  }
}