Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAeI/cLGwZA6SXnpgEH/l0WVM8zNahgZ2tRlJlWrLe8tXAlYlqYiKmy+zJ/… (1,748 chars)"
  }
}