Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGZKdy8FDuL4YYnTNxT07HPCwGw6uQeiOoHK5Izqd6EvFpJjYV8wRKhPZIp… (844 chars)"
  }
}