{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "pattern": "^[\\w\\-~:\\[\\]@!'*,;=]+$"
    },
    "type": {
      "type": "string",
      "enum": [
        "content_asset"
      ]
    }
  },
  "additionalProperties": false
}