To get telemetry and support from third-party systems, you need to enable "Accept events from other devices" in the 4xx version while this can be done http://ESP_IP/edit/settings.json «mqttin»:1
Add the MQTTscaner module
Click "save"
On the "System" page, data from external systems will appear in the log, as it is received
Configure the widget to receive data from the sensor
Then follow the analogy of other widgets
Result
