➜ ckms attributes get --id horodatage_user_1
Attributes for horodatage_user_1
     Unique identifier: horodatage_user_1
{
 "CertificateIssuerST": "IdF",
 "PublicKeyLink": "52527070-1a38-43a9-9a67-00328be82288",
 "CertificateSubjectSerialNumber": "C32DC4D266FAE84A019F28202A520AFC0581F868",
 "CertificateIssuerO": "Cosmain",
 "VendorExtension": [
   {
     "VendorIdentification": "cosmian",
     "AttributeName": "tag",
     "AttributeValue": [
       91,
       34,
       95,
       99,
       101,
       114,
       116,
       34,
       93
     ]
   }
 ],
 "CertificateLink": "velo_horodatage_root_ca",
 "CertificateSubjectL": "Paris",
 "PrivateKeyLink": "4483484c-e6e3-4759-9936-d860f9178d65",
 "CertificateIssuerCN": "Velo Horodatage Root CA",
 "CertificateSubjectO": "Cosmian",
 "CertificateSubjectST": "IdF",
 "CertificateIssuerOU": "IT",
 "CertificateIssuerL": "Paris",
 "CertificateSubjectUID": "c32dc4d266fae84a019f28202a520afc0581f868",
 "KeyFormatType": "X509",
 "CertificateSubjectCN": "horodatage_user_1",
 "CertificateIssuerC": "FR",
 "Tag": [
   "_cert"
 ],
 "CertificateSubjectOU": "IT",
 "ObjectType": "PrivateKey",
 "CertificateSubjectC": "FR"
}