Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA4XHM+sKs1SencTOkXcS0yFpVyOKoKu2OpuXNtU5PqHGi2El2cNoJfQhZh… (844 chars)"
  }
}