Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB8kZJo10gVPaU+q0EKT5zc/ZACZSFo8MzY684ZfXk2k0gGWb0gmw2HhBHP… (1,748 chars)"
  }
}