Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBdzVZZr0IxK0jeWfyy/nTPL+sub6vbLwEU0IEZlxNXnRzIp4QMxcny6bpI… (1,748 chars)"
  }
}