Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHOch9d4x7IU3Xzh6tt7TtJxfN+gOLRk5BegCzCj2K1fXjPQoEOGU7HD+B1… (844 chars)"
  }
}