Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwB0fIVyb1J/5bIeLWwVlNMKHU8HwxIJe94FKbRkEO7IzBeaZBFm8yf++/Iv… (844 chars)"
  }
}