Switching from deCONZ to ZHA - switching tasmota device

Configuration
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1

Hello guys,

my setup is the latest HA as docker container on a synology and I am using different tasmota switches and aqara buttons. The buttons are included via deConz. Now I wanted to switch to ZHA, but before wanted to test everything and have most of the code in place.
Therefor I disabled deCONZ and shut down the container and then started ZHA. The devices are all included, by manually connecting them.

Now my question:
I have one aqara button which should switch again a tasmota device. In my understanding only the entity of the aqara button has changed.
Code before:

- alias: 'aqara_old'
  trigger:
  - event_data:
      event: 1002
      id: schalter_aqara1
    event_type: deconz_event
    platform: event
  condition: []
  action:
    - service: switch.toggle
      target:
        entity_id: switch.tasmota

Here is what I tried:

- alias: 'aqara_new'
  trigger:
  - event_data:
      device_ieee: 00:15:8d:00:03:58:46:75
      command: single
      args:
        value: 1
    event_type: ZHA_Event
    platform: event
  action:
    - entity_id: switch.tasmota
      service: switch.toggle

I listened to the button and than inserted its Ieee. But it did not work. What did I do wrong?

Best
Nomad