Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBg/zBBXE9fD1b8QBMnE9/jmt+DTG7uQWwuC0UPa7q8zVWU4n3ik9XTUdmG… (1,748 chars)"
  }
}