Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHF5hr5MKGS/3TaC9JsYMTQEpE4+NeAYs/75+B4cRwH4XZ5c1WGwd/rBH+5… (844 chars)"
  }
}