Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQA0HqGopPnRWrTdDRKNHQBJBy3SHtQhzqt/F7ZmVmqKmA3soP585HuUzJZ9… (1,748 chars)"
  }
}