curl --request GET \
  --url https://thalamus.nerds.nl/api/v1/contact/{external_id} \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "data": {
    "uuid": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "external_id": "<string>",
    "name": "<string>",
    "email": "<string>",
    "phone": "<string>",
    "external_organization_id": "<string>",
    "status": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  },
  "message": "<string>"
}