Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBz9rjvGWzINxoF5NfcYuqZ7O+s1NC2I65ZooqtTQS8t0s1CcMJPG38b9EZ… (1,748 chars)"
  }
}