Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDGw39c4U7g9E3+/D+rjTcP8VTD+SQhJKqY+xGJmVGUAAG7TnKaqNE5Ffkg… (1,748 chars)"
  }
}