Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH9WnhRIhpJ0TAq7YLT4gpY4S+xKD8gWuNJnDt4g+oVqGVKy/b+3x1dAYpQ… (844 chars)"
  }
}