Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBi8twDlr5pnVE17AC4Bk3pulfuQEi+xYWWsw1UvZKdJybA6yzMRTre2ZsP… (1,748 chars)"
  }
}