curl --request PATCH \
  --url https://api.example.com/dx/api/application/v2/objects/STE6TG95YWx0eV9fUmVkZW1wdGlvbkl0ZW1DYXNlXzY4OWUxNzMwZjY4MTRmMDBhNjg5MjM1MA/actions/Use \
  --header 'Content-Type: application/json' \
  --data '
{
  "content": null
}
'

{
  "data": {
    "objectInfo": {
      "ID": "STE6TG95YWx0eV9fUmVkZW1wdGlvbkl0ZW1DYXNlXzY4OWUxNzMwZjY4MTRmMDBhNjg5MjM1MA",
      "status": "Resolved-Completed"
    }
  },
  "confirmationNote": "Thank you! The case is now resolved."
}