Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQH1sA8SjGw59hINqkMI/ROMs+hcFAy0hc0Dj3tCF4PKZUcHG7vJ46o8JRB/… (1,748 chars)"
  }
}