Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGaY9uzx73Qadi4Xc4Vn6SHMdx7egEzRW39EwRtS3wQdgGZdE1iW4+ZQwn4… (844 chars)"
  }
}