Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF2FHeQf/54cThWOmBh7TENNTrD1EVj5XVuCfFJi5pLbxK2Jsh/KeAJMx9Y… (844 chars)"
  }
}