Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHQjNuLg7Te/BIwYolsfiR8Jbl+Fr0qJi7VeA4sAe5nfVPkrxFmmy/6l8m1… (844 chars)"
  }
}