Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAM25ESMcE6Th7xsjLbJF7P81RxQhaTn34wy2jz+6qbSGJx43mS6gvnP7d/… (1,748 chars)"
  }
}