Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBGkTKNiGtjxDhfeoD5VBtXEC/JaTD3QBbwvazzDFQxJEDF2UzT3CRez2ib… (1,748 chars)"
  }
}