Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC2CobGSzVoK9ketaj5/u7kXKA+T7kw3vC45Hh5qvtckTVn9FrV5e2QkjhV… (1,748 chars)"
  }
}