Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBLQaJRa6yaN1xbWwQ/A0tW9cWfBQBZ3QBrdOP8pXMD1ng9bE6R9lg18VDx… (1,748 chars)"
  }
}