Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFZx5z8Zk7bfR8+uPuOBDokBA3HtOoSfKFfGsn+mh0hkSocsVqiu0TJ0F86… (844 chars)"
  }
}