Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGZCjGfaGJxKTrhoNpkMUaECu5Uvg9IJmjPknSWC+ficxJQ6ovz8GAA6Uus… (1,748 chars)"
  }
}