Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG1AiurWO/B8t/YTZ+aQ18x7eGVz7CHG94zJl8axUDlBj/xk8oBNHvB8iAi… (844 chars)"
  }
}