Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFEKV/I57ryY3sJw0qwLKuV5jNdWEQUNaEQeRv5Ykt93TXV6bPjMQqWQ0Jc… (844 chars)"
  }
}