curl --request PUT \
  --url http://localhost:8080/pages/service-rules \
  --header 'Content-Type: application/json' \
  --data '
{
  "content": "<string>",
  "language": "ru",
  "title": "Правила сервиса"
}
'

{
  "id": 123,
  "title": "<string>",
  "content": "<string>",
  "language": "<string>",
  "is_active": true,
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z"
}