Lock state
| Name | Type | Description | 
|---|---|---|
| batteryLevel | number | current battery level | 
| doorState | current state of the door from paired door sensor | |
| isCharging | boolean | is lock currently charging | 
| state | current state of the lock | |
| stateChangeResult | number | result of last state change (0 - success, > 0 - error) | 
| lastStateChangedDate | datetime | date and time of last state change |