Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQIR0PqyDHDu+l6R/Fi2uhfJXfU/Ib2LtyFhA2Yk3dH4rzQNKf6whMrrr2YX… (1,748 chars)"
  }
}