{
  "title": "signature type of a signed object",
  "$schema": "http://json-schema.org/draft-04/schema#",
  "javaType": "com.sos.joc.model.sign.SignatureType",
  "type": "string",
  "enum": [
    "PGP",
    "X509",
    "Silly"
  ],
  "default": "X509"
}