Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQEm7cms+t0uWVfwj6n0cKiuhU3QnIACtY9DjQIXkbFV1z143FAsz9YLW05X… (1,748 chars)"
  }
}