Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDApQADGdYR4gEanFJjkzV2NKs2QyKe3i3/72OoADG6nBVcx6V5DjrqYOJC… (844 chars)"
  }
}