{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "title": "CTT Sensor Reception Schema",
    "type": "object",
    "properties": {
        "eui": {
            "type": "string"
        },
        "metadata": {
            "type": "object",
            "properties": {
                "gateway_eui": {
                    "type": "string"
                },
                "server_time": {
                    "type": "string"
                },
                "datarate": {
                    "type": "string"
                },
                "frequency": {
                    "type": "number"
                },
                "rssi": {
                    "type": "integer"
                },
                "lsnr": {
                    "type": "integer"
                },
                "codingrate": {
                    "type": "string"
                },
                "modulation": {
                    "type": "string"
                },
                "channel": {
                    "type": "integer"
                },
                "rfchain": {
                    "type": "integer"
                },
                "crc": {
                    "type": "integer"
                },
                "altitude": {
                    "type": "integer"
                },
                "longitude": {
                    "type": "number"
                },
                "latitude": {
                    "type": "number"
                }
            },
            "required": [
                "gateway_eui",
                "server_time",
                "datarate",
                "frequency",
                "rssi",
                "lsnr",
                "codingrate",
                "modulation",
                "channel",
                "rfchain",
                "crc",
                "altitude",
                "longitude",
                "latitude"
            ]
        },
        "data": {
            "type": "object",
            "properties": {
                "co2": {
                    "type": "number"
                },
                "no2": {
                    "type": "integer"
                },
                "temperature": {
                    "type": "number"
                },
                "humidity": {
                    "type": "number"
                },
                "pressure": {
                    "type": "number"
                },
                "pm1": {
                    "type": "integer"
                },
                "pm2": {
                    "type": "integer"
                },
                "pm10": {
                    "type": "integer"
                },
                "batteryLevel": {
                    "type": "integer"
                }
            },
            "required": [
                "co2",
                "no2",
                "temperature",
                "humidity",
                "pressure",
                "batteryLevel"
            ]
        }
    },
    "required": [
        "eui",
        "metadata",
        "data"
    ]
}