Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwLYAlwH9l1Rnw2ZH9cYBfKCJmOMnGPCbVIhhEUlZIaqPwoChJ8lqK6wOuRt… (844 chars)"
  }
}