Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGR87CPtq1O7r8RFCjZ3H3AYkRZTUmt+BmF7hq+geP+YzyZk6VkiAKe/axI… (1,748 chars)"
  }
}