Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBITQ9OjcbzFAhM7MgNA9GcYG949qPE4Dj6lwfiH/KH7xXvAUgDOM3Xvi6T… (1,748 chars)"
  }
}