Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDwyBtSRtj4DAjci110xJhNrMh0SEgmeXU0VHChMfALMzUdVyMpWwUZlR6/… (1,748 chars)"
  }
}