``keys`` required, object object can contain any of or both the following fields:
{
"privateKey" : "-----BEGIN EC PRIVATE KEY----- MIGTAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBHkwdwIBAQQgTDpNzcltg9AKs48Q SIM79EsKYr75u/4FUFqisAPn3NCgCgYIKoZIzj0DAQehRANCAASXodrfRFak9V8E dbvjjtGZbXd9JgEN8ua6PAubf7i4HPLyXMzhE2lpq3sqD68RBgSx2hx548zNfsMT PDvGPMiL -----END EC PRIVATE KEY-----",
"certificate" : "-----BEGIN CERTIFICATE----- MIIBqTCCAVCgAwIBAgIGAXquQGFrMAoGCCqGSM49BAMEMFMxFDASBgNVBAMMC1NP UyByb290IENBMRswGQYDVQQLDBJ3d3cuc29zLWJlcmxpbi5jb20xETAPBgNVBAoM CFNPUyBHbWJIMQswCQYDVQQGEwJERTAeFw0yMTA3MTYwNzM4MTJaFw0yNjA3MTYw NzM4MTJaMFMxFDASBgNVBAMMC1NPUyByb290IENBMRswGQYDVQQLDBJ3d3cuc29z LWJlcmxpbi5jb20xETAPBgNVBAoMCFNPUyBHbWJIMQswCQYDVQQGEwJERTBZMBMG ByqGSM49AgEGCCqGSM49AwEHA0IABJeh2t9EVqT1XwR1u+OO0Zltd30mAQ3y5ro8 C5t/uLgc8vJczOETaWmreyoPrxEGBLHaHHnjzM1+wxM8O8Y8yIujEDAOMAwGA1Ud EwQFMAMBAf8wCgYIKoZIzj0EAwQDRwAwRAIgLMwzASeb5rj658bVLYEd7EGa0r5+ dMdOLvCIbx7GiyYCIBRRTGRIzEZYeJMohVnVFeE9qQg7ZoJrzduqc+AEGZ1f -----END CERTIFICATE-----"
}