Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAPFzhYNRkXdemqnU7wrYthDQBu6aNuyvk/pP2sM8QW4kC8lWCBHAV0cj7p… (1,748 chars)"
  }
}