Creates or updates a subuser. To create a new user set no ID (empty)

{
  "type": "object",
  "description": "Container data for the sub user",
  "properties": {
    "AccessEndDate": {
      "type": "string",
      "format": "date-time",
      "description": "The end date. until this date the user has access"
    },
    "AccessTimeStartDate": {
      "type": "string",
      "format": "date-time",
      "description": "The start date. From this date the user has access"
    },
    "Email": {
      "type": "string",
      "description": "The Email adress"
    },
    "Id": {
      "type": "string",
      "description": "The ID of the user"
    },
    "NewPassword": {
      "type": "string",
      "description": "If set this is used a new password"
    },
    "PermissionLevel": {
      "type": "string",
      "description": "The permission level of the user",
      "enum": [
        "SelectedFolderAndSubfoldersMeters",
        "SelectedFolderOnly"
      ]
    },
    "Username": {
      "type": "string",
      "description": "The username"
    }
  }
}