Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC+A4t1WpNMlJrxZwmz28VJAu3oiEdw6DBhG20Ecsq8QxX/KDlWZ/VATzk9… (844 chars)"
  }
}