Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDlak6N9gxMDtQejeLaM2k9pdU4dM+5F8AHtgtKk+m93QfkNiSgAa0V/1vL… (1,748 chars)"
  }
}