Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD8oY2ww7rHIQXb13VKITghKf65EPFjS7rz4KUq38Ap73JLnLfJGKf9ySjM… (1,748 chars)"
  }
}