curl -X 'GET' \
  'https://ontology.cslbehring.com/api/tree/CSLRDMP/classes/children?primaryId=https%3A%2F%2Fontology.cslbehring.com%2Fontology%2FCSLBDS%2FCSLBDS_0000021&from=90&size=100&childcount=true' \
  -H 'accept: */*' \
  -H 'Authorization: Bearer eyJhbGciOiJIUzUxMiJ9.eyJzdWIiOiJkYW1pYW4ua25vcHBAY3NsYmVocmluZy5jb20iLCJhdXRoIjoiUk9MRV9VU0VSIiwiZXhwIjoxNzYxMjQ4MjcyLCJqdGkiOiI2OWVkM2VkZS02NTc0LTQyOTMtODcwNy0xYzUyYmMxOTNiMTIifQ.TKsZ_CP0CWT78RHQPQFwdsmBq1bRxMNZL84xFtsiI7em8yADxMKy3Wd-drz_S2jww7xBINtfX4Nf54j_j6nOTA'
