Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFxjwOO4lEfRp7Tn6HPD03TJXv1h4lpXdscoZbME5rSNn0nXu+nMh5bQ9Aa… (844 chars)"
  }
}