Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBcZ2yM158fPfIEFVahBfwFlfi0LFWfmNglG1NZwpzQOzBGgYh3Xq9bYWDZ… (1,748 chars)"
  }
}