Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBEzILvjcR3yj9RajIrkuLSBf24+DfiWIpHjGNxGymGQQpGHUDo9lDwvl1/… (844 chars)"
  }
}