Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBrAWg5Cv3mcXEp7P6QjJ+SEinzjMY3wiiTMB8jTkUwkQ4NpXbE2yiSGYVu… (844 chars)"
  }
}