Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBYNEka9n/P3+Zmy35kPVwqQBpGjutwb6UaV/DI6MuDDl5E8duYE/0b9AtK… (1,748 chars)"
  }
}