Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHS/A4sSP9LrU7ZzmWtbwvjPIkVvdFWnk1C72gQQUyffwWyNUZXrR9vAhGw… (844 chars)"
  }
}