Sensor error message for MQTT binary sensor

Hello.

I have an MQTT binary sensor for my window. The sensor itself works, and show the state but in the home assistant log always appears the following message:

No matching payload found for entity: Back Door with state topic: tele/RfBridge/RESULT. Payload: 7104EF, with value template Template("{{value_json.RfReceived.Data}}")

This is the configuration:

- platform: mqtt
    state_topic: "tele/RfBridge/RESULT"
    name: Livingroom Window
    value_template: '{{value_json.RfReceived.Data}}'
    payload_off: 'AAAAAA'
    payload_on: 'BBBBBB'
    device_class: window
    qos: 1

Can anyone help me resolve this issue?

P.S. It’s an RF sensor with a Sonoff RF Bridge flashed with Tasmota

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