Signature schema describes a signature or a hash.username:passwordAuthorization: Basic *****************X-Auth-Token: ********************curl --location '/redfish/v1/Systems//SecureBoot/SecureBootDatabases//Signatures/' \
--header 'Authorization: Basic <encoded-value>'{
"@odata.context": "/redfish/v1/$metadata#Signature.Signature",
"@odata.id": "/redfish/v1/Systems/System.Embedded.1/SecureBoot/SecureBootDatabases/dbx/Signatures/StdSecbootpolicy.8",
"@odata.type": "#Signature.v1_0_3.Signature",
"Description": "SecureBoot Signature",
"Id": "StdSecbootpolicy.8",
"Name": "SecureBoot Signature",
"SignatureString": "416E3E4A6722A534AFBA9040B6D6A69CC313F1E48E7959F57BF248D543D00245",
"SignatureType": "SHA256",
"SignatureTypeRegistry": "UEFI"
}