Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCZlNbOPmdwUntlZvOrUDJAuTd0gK4MP7eG0YeJUIHu7EaT+vrcqaaUcun+… (1,748 chars)"
  }
}