Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEVYqpTEjDFFJlaK2oPgdBF4QnPdwzC7E9PW4N86Lr+mXJ/pwoXyQ4mr4vH… (1,748 chars)"
  }
}