Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB8DF7+mAD0hQ3hrDWhH2y7VtofswYzuwUQ5Dj5Rv+bb29WO8oqaGUbS8wL… (1,748 chars)"
  }
}