json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "type": "object",
      "properties": {
          "attribute": {
              "type": "string",
              "pattern": "^[0-9a-zA-Z_-]{1,255}$"
          },
          "deviceTags": {
              "type": "array",
              "items": {
                  "type": "object",
                  "properties": {
                      "key": {
                          "type": "string",
                          "pattern": "^[0-9a-zA-Z_-]{1,255}$"
                      },
                      "value": {
                          "type": "string",
                          "minLength": 1,
                          "maxLength": 255
                      }
                  }
              }
          },
          "deviceIds": {
              "type": "array",
              "items": {
                  "type": "string",
                  "pattern": "^[A-Fa-f\\d]{24}$"
              }
          }
      },
      "additionalProperties": false
  }