Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD51QYbu4+x1z6tWRSm4r1WZTRXTTqM+JV9oJPAHXZGkxW/u12v6pFzHrZA… (1,748 chars)"
  }
}