Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHiePdw+G5WTw52b8qYpkVjqXhQ4zWEiNhTGUXyAX2oTwv7Oo206G4QPAM7… (844 chars)"
  }
}