Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCBmHU7C94vNP8D7QsI5141eUXSuM1XNfsJk60eLWdqJBTmfKR79bZ0RD33… (1,748 chars)"
  }
}