json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "description": "The value returned by GET /{db}/{docid}",
      "properties": {
          "_id": {
              "type": "string"
          },
          "_rev": {
              "type": "string"
          },
          "_deleted": {
              "type": "boolean"
          },
          "_attachments": {
              "type": "object"
          },
          "_conflicts": {
              "type": "array"
          },
          "_deleted_conflicts": {
              "type": "array"
          },
          "_local_seq": {
              "type": "number"
          },
          "_revs_info": {
              "type": "array"
          },
          "_revisions": {
              "type": "object"
          }
      },
      "required": [
          "_id",
          "_rev"
      ],
      "title": "CouchDB document",
      "type": "object"
  }