{
  "@context": {
    "@version": 1.1,
    "@protected": true,
    "attachments": {
      "@id": "https://example.org/terms#attachments",
      "@container": "@set",
      "@context": {
        "@protected": true,
        "data": {
          "@id": "https://example.org/terms#data"
        },
          "filename": {
            "@id": "https://example.org/terms#filename"
        },
          "mimeType": {
            "@id": "https://example.org/terms#mimeType"
        }
      }
    }
  }
}