curl --request GET \
  --url https://{baseurl}/api/v1/management/contacts/{contactId} \
  --header 'x-api-key: <x-api-key>'

{
  "data": {
    "createdAt": "2024-12-11T08:59:37.550Z",
    "environmentId": "cm37a748d0008hbwhqvvuba23",
    "id": "cm4jnsxcd00ufh3aqz1b6zox6",
    "updatedAt": "2024-12-11T08:59:37.550Z",
    "userId": null
  }
}