Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCl5rVcokzT5FZXGd1cwLFDdSk1Bhbk+EmVgNxQF/YRVUizYCMItwLGuQ9X… (1,748 chars)"
  }
}