curl --request DELETE \
  --url https://sandbox.tight.com/v6/timeTracking/tasks/{id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "tmt_28868401",
    "description": "Development work",
    "status": "ACTIVE",
    "billableRate": 15000,
    "customData": {
      "internal_key": "some_internal_key",
      "some_other_field": 23434
    }
  }
}