message: added enum for organizations
diff: "type": "object",
  "properties": {
  "orgName": {
  - "type": "string"
  + "type": "string",
  + "enum": [ "auditor1", "auditor2", "auditor3" ]
  }
  }
  },
  "type": "string"
  },
  "orgName": {
  - "type": "string"
  + "type": "string",
  + "enum": [ "auditor1", "auditor2", "auditor3" ]
  },
  "affiliation": {
  "type": "string"
  