Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFRBeItM2XmVf9Nqex1BG3Mf9VGeQbFLXA7k1/RUyJo8znjVXw4yNz4IMup… (844 chars)"
  }
}