Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG+Mcu8WlSDn0mp9XARhzk7ySLmFH+A+aWPKPFiYnUPKV7V8XYMdRWWRzxy… (844 chars)"
  }
}