Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEyRjHsSLQBlS/hWWA83+iXxe8mD6gBPUzF4iNyNtO11TV7vJ/53FVk/Fq+… (1,748 chars)"
  }
}