Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHX2/OYcvtEjjLUayKMZveIH+WQMvZMqFQjqSZBkj4WAU9Cs+oznC7pZg+N… (844 chars)"
  }
}