Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAjn3u0v5hmb6uz+YDilQTkj7O9jxI64LbfAfWYsLQfYThblf8A/d+GD2Jx… (1,748 chars)"
  }
}