Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDPGM2q1fI3rcXYVx6wP7CBHdiSkVqrpE7RqJVRbBzbo3l/BCMZUG9cx8KF… (1,748 chars)"
  }
}