Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHr9SPzwNfvwp0OMrJlGOxQVo8TgGwYFc0R9bZajYhUUz9QV4xsbDKTQIsZ… (844 chars)"
  }
}