{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "title": "NetworkUsageItem",
    "type": "object",
    "properties": {
        "subsystem": {
            "type": "string",
            "description": "name of the sub system for which usage is being logged"
        },
        "upload_usage": {
            "type": "number",
            "description": "upload usage"
        },
        "download_usage": {
            "type": "number",
            "description": "download usage"
        }
    },
    "required": [
        "subsystem"
    ]
}