DCPCredentialStatus
@contextstring[]required
Example: 
["https://w3id.org/dspace-dcp/v1.0/dcp.jsonld"]typestringrequired
Example: 
CredentialStatusissuerPidstringrequired
holderPidstringrequired
statusstringrequired
Possible values: [RECEIVED, REJECTED, ISSUED]
DCPCredentialStatus
{
  "@context": [
    "https://w3id.org/dspace-dcp/v1.0/dcp.jsonld"
  ],
  "type": "CredentialStatus",
  "issuerPid": "string",
  "holderPid": "string",
  "status": "RECEIVED"
}