Beginner question to sensor configuration with RTL_433 and MQTT

Third party integrations
1

I have several 433Mhz remotes that I want to use with HA. So far I got rtl_433 together with mqtt working, when a remote-button is pressed, I got a message in mqtt, but I couldn’t make it working with HA. The mqtt “message” looks like this:

rtl_433/myserver/events =  {"time":"2022-12-19 22:29:01","model":"Nexa-Security","id":24451072,"channel":3,"state":"OFF","unit":1,"group":0}

Depending on the remote and the button on the remote, the id, the unit and the state change.
I tried the following in configuration.yaml, it sets the state of the sensor correct but also deletes/clears the state of the other sensor.

sensor:
    - state_topic: rtl_433/prox-debian/events
      value_template: "{{ value_json.state if ((value_json.unit == 2) and (value_json.id == 24451072)) }}"
      name: "Test-left"
    - state_topic: rtl_433/prox-debian/events
      value_template: "{{ value_json.state if ((value_json.unit == 1) and (value_json.id == 24451072)) }}"
      name: "Test-right"

Probably an easy solution, but I couldn’t find it.