Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDfYs/yyYqeYQTIUQ/7BKvrad+rMB2ENElvAWfw/96c7VTUu/9LFyE6MYwB… (1,748 chars)"
  }
}