curl --request GET \
  --url https://api.fonder.com/clients/{clientId} \
  --header 'Authorization: Bearer <token>'

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "name": "<string>",
  "description": "<string>",
  "vatNumber": "<string>",
  "type": "CLIENT",
  "taxRetentionPercentage": 123
}