curl \
  -k \
  -s \
  -H "Accept: application/json" \
  --user caadmin:Secret.123 \
  https://localhost.localdomain:8443/ca/rest/account/login | python -m json.tool
{
    "Attributes": {
        "Attribute": []
    },
    "id": "caadmin",
    "FullName": "caadmin",
    "Email": "[email protected]",
    "Roles": {
        "Role": [
            "Administrators",
            "Certificate Manager Agents",
            "Enterprise CA Administrators",
            "Enterprise KRA Administrators",
            "Enterprise OCSP Administrators",
            "Enterprise RA Administrators",
            "Enterprise TKS Administrators",
            "Enterprise TPS Administrators",
            "Security Domain Administrators"
        ]
    }
}