Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDHGOlh6IGKBW33LhEKDPY34P3Zqx6BFHJ/gVinDDneGgyj8wnIOO9Inpc/… (844 chars)"
  }
}