Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBxTrHsP5WdL4f+oNl4MtGB7s7wR6+LmX9KbKBsRG3H8TQpqoQFu49wbL+X… (844 chars)"
  }
}