I kind of manually wrote the code to add the x509Data with serial number and issuer to the signature which matched exactly with SOAP UI DOC below.
But still I get verification failure response.
d1KbpAtTPD6QUdUvF4fxkHokxtmVXWEe5/ZD3CBfqbvns0tobEfapm9Y4YEe5BpVUFsatgoXI1zN
LGvWLPmjsEJgl7nQD5p+MqFmaylUlkhrWaB2ghoeIs6wuUcXd+PjWBmXyFE4JV4qxn6S42EsPStz
cdK2cO3qAGZhkQmT7OxCQqcB69rciuRbM9styFICx82PANpsiQ9AORzyZvGsvjOuKwpNBiOWSJKL
QbJsrii10IYQxgkBr5+0f127oAr5Bk/B8O0NCg==</ds:SignatureValue><ds:KeyInfo Id="KI-A911D948F3EB9763F5155428919109860"><wsse:SecurityTokenReference wsu:Id="STR-A911D948F3EB9763F5155428919109861"><ds:X509Data><ds:X509IssuerSerial><ds:X509IssuerName>CN=DigiCert SHA2 High Assurance Server CA,OU=
www.digicert.com,O=DigiCert Inc,C=US</ds:X509IssuerName><ds:X509SerialNumber>10767788982478823465090431559408751727</ds:X509SerialNumber></ds:X509IssuerSerial></ds:X509Data></wsse:SecurityTokenReference></ds:KeyInfo></ds:Signature></wsse:Security>
</soapenv:Header>
<cor:ping-request-message>Hi, This is Ping Request</cor:ping-request-message>
</soapenv:Body>
</soapenv:Envelope>
Sahej.