Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHCvnSG4dHMZk5UxS2V2NuKa9rNsu0k3ADQ1gjg5leXZBLS6P8lI4+7xC7h… (844 chars)"
  }
}