Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFL2Rq5fsCqWHXUh0cKHu6JzP8ei84LiXo6pkvK5cBIxB/NG6lXfJ/ypPci… (844 chars)"
  }
}