Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAfJsM0B9hT+sRm7aUJ/toIwbIFVmhLUACdIoOorDw8WT3v6yH9vGZhMGDo… (844 chars)"
  }
}