Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEU38XwHZ5kJYA8mRXF0ZTlUamdl8ysEP6+j5VTVn5kxWXUQsbWovQfi7XC… (844 chars)"
  }
}