Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEiNzz5Y3jxaUs+aqMl9oGeTKLfehVQv8yk9Eby7Quy+3w9BGIJzBuD6ILd… (844 chars)"
  }
}