Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQB7iy4W+aZsdxRg1CaQ1hQtIicQhKisXQZeOrrD2GKW6wpVCo3LFORQBhrp… (1,748 chars)"
  }
}