{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "title": "HeadingItem",
    "description": "SensorDataCollector.HeadingItem",
    "type": "object",
    "properties": {
        "timestamp": {
            "type": "integer",
            "description": "UTC timestamp in milliseconds"
        },
        "heading_angle": {
            "type": "integer",
            "description": "The direction in which the device is traveling with respect to north, degree value (0-360)"
        }
    },
    "required": [
        "timestamp",
        "heading_angle"
    ]
}