Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBHFGjyQejFiI/QpVu6R+Bj8Hfok0Zx9a5hNFbHd5KIwQUy+wxEf3jZCrI7… (844 chars)"
  }
}