Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEW9B8rVLJLAravyyhdtqDwfl9+ekb3eWcejp+BuH/voEpQj3uNJj30Jc5G… (1,748 chars)"
  }
}