Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBUMqxn6+3F+tYYJx8hXlZsPGPwEE4omTlTd8r9Xf41dHenYlHRJfRa+QhA… (844 chars)"
  }
}