Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDhDE/R7GwEOFr45GO0o5aN+2WuCKIvHumoYNPZ/4FOAxr+wuA/6WKft6Sg… (1,748 chars)"
  }
}