Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHk+rGgkdI4vchQs0MLTGbF9nKPP7dF7mYBzknHi1iuRBU/WWSKsXyw/7qJ… (844 chars)"
  }
}