mutation {
    SensorReading(event: [
        {sensorid: 1, temperature: 43.5},
        {sensorid: 2, temperature: 55.1},
        {sensorid: 3, temperature: 50.7},
        {sensorid: 2, temperature: 24.7},
        {sensorid: 1, temperature: 22.7}
    ]) {
        sensorid
    }
}