Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBNQ4/NktZ0SrzXTEY2GbKYQKQfkwBVm24mYOLFSPnffGqIXiccPEBMR6R+… (1,748 chars)"
  }
}