Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFHSNxnzd7wr3tQJVzIsekXDRJ74hALSSy5+YioYmK2XWOFh4JlnPM9+ELg… (844 chars)"
  }
}