Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE9WT9OTZD1dNB350xV9cAAE5Fh6Ewn6T3uamGl/uXRSjwWPl5eFVKWV9jg… (844 chars)"
  }
}