Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA0VwKMXV9FlGtmBSOp7EgkSHm8WWFwzYMfo6+n7OgDgXGVnOMoh7srs+K2… (1,748 chars)"
  }
}