Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHbTtq2MHEmpL6fm4mO/uM4IjVJ/Gq6AuXd1WiNEDzkd09uOIyHQ0nPr0Nd… (1,748 chars)"
  }
}