Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHHpS+NkG8zqCK1uM7KIqzVIz4f34D+L09y6uvxaQV5gWXasBuqA/iuyZ2F… (844 chars)"
  }
}