Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC/CMkbbU2G9DbXU08iZ6oUttTZNEhhJjicUNG0fFCLZAXE1FgT8YFCC3zj… (1,748 chars)"
  }
}