Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHqWp1WcPxPVBfy+MUaiZXkG6Kjj5XKzdr3V03A4lYtqz0m6XRnRWFYcR+9… (844 chars)"
  }
}