{
  "type": "array",
  "items": {
    "type": "object",
    "required" : ["id", "package_id", "file_name"],
    "properties" : {
      "id": { "type": "integer" },
      "package_id": { "type": "integer" },
      "file_name": { "type": "string" },
      "file_sha1": { "type": "string" }
    }
  }
}