Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA8Dl7aa8zxUsGxWpRrUvatO6uWw+qORFvJMJB/1b7X2C0B+ZgDFAW4KwCo… (844 chars)"
  }
}