Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDLHfgGmMkRzwRhEBT7s6BXvY1UgjLIv4FnnKe4l4iP1SmfEasZM1ihTuU+… (1,748 chars)"
  }
}