Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHwqGoW4Rbm8AYnq4wuyE1YEb1+eVFM57p1BnEyvSiUuFjJ8w9lLxw1fbWY… (844 chars)"
  }
}