DCPCredentialRequestInitiation
issuerIdstringrequired
Possible values: Value must match regular expression ^did:[a-z0-9]+:.*
Example: 
did:web:issuer.examplepreAuthorizedCodestringrequired
Example: 
pre-auth-code-xyzcredentialTypestring[]required
Example: 
["ExampleCredential"]DCPCredentialRequestInitiation
{
  "issuerId": "did:web:issuer.example",
  "preAuthorizedCode": "pre-auth-code-xyz",
  "credentialType": [
    "ExampleCredential"
  ]
}