Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHaTakty8hFlsuEvNs0vDYJ2M3jrYrK3AqkMiFS6yJN+FQAN5i9k8Fn3pu9… (1,748 chars)"
  }
}