Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwA7s5Jyr/E+F6hYwGIQ4RYFe1AW6CFGA49uSah8iqYvMkc4dZxUOV4r9jPg… (844 chars)"
  }
}