Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQH6s+oPu66ePq3VrFN9TyEn3U1p3ahsnynr/k8pk+cN6WxmOLGiuzBG0Qny… (1,748 chars)"
  }
}