Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGnP6r11HKXZEb7OlDAvy5Wr7lPzuJ8Yf61CosYEP+AtEUEU7kt0h/XLp2K… (844 chars)"
  }
}