Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCfFOT/gYnM9y1XETprhMxZCQ5zkYA+8iSDmG9DJ+HfYzqNXQiSYfxHjyvA… (1,748 chars)"
  }
}