Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAIZz/7MO3iuRLeVu7xm0Em2ySA0DcQ/7DCev814StPRUqPIQ0+DRAQ1c1X… (1,748 chars)"
  }
}