Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFzk3jSgSR+9agckNEj7QrgMt/K0DW7UrXoF4BXeYRORGkkV5myV3yNoQjC… (1,748 chars)"
  }
}