Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEC+t3qTvvTLnmS5YSvQmPtW0JdYhvQvLXe3lPbbhYwthCjh9aGdK8KyUAG… (844 chars)"
  }
}