Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEBDMlMBC0Z1zO9QccZIuKT9lTRJutIoTRuVKrv1MXGBwLUWGS7w0Y1SE2G… (844 chars)"
  }
}