...
curl -s -H "Authorization: Bearer $JWT_AUTH_TOKEN" ${CNAASURL}/api/v1.0/device -X POST -d '{ "hostname": "eosdist1", "management_ip": "10.100.3.0", "platform": "eos", "state": "MANAGED", "device_type": "DIST"}' -H "Content-Type: application/json"
...