curl --request DELETE \
  --url https://api.kameleoon.com/themes/{themeId}

{
  "code": "<string>",
  "impersonator": "<string>",
  "message": "<string>",
  "name": "<string>",
  "sub": "<string>",
  "time": 123,
  "timestamp": "2023-11-07T05:31:56Z"
}