Wallet Service
constructor(credentialScheme: ConstantIndex.CredentialScheme, credentialRepresentation: ConstantIndex.CredentialRepresentation, requestedAttributes: Collection<String>? = null, clientId: String = "https://wallet.a-sit.at/app", redirectUrl: String = "/callback", cryptoService: CryptoService = DefaultCryptoService(), jwsService: JwsService = DefaultJwsService(cryptoService))