Channel information in MQTT message

Where can I get information about the LoRa channel in MQTT messages? When I subscribed to topic
application/1/#
I get following info:
application/1/device/69a75ea1ec3f35a6/event/up {"applicationID":"1","applicationName":"ENVOY_APP","deviceName":"M5Stack_test","devEUI":"69a75ea1ec3f35a6","rxInfo":[{"gatewayID":"b827ebfffe3b86f8","uplinkID":"1b9ba53a-d1dc-49b6-8e21-ab8c00cc5b34","name":"ENVOY_GW_1","rssi":-21,"loRaSNR":7,"location":{"latitude":49.987279,"longitude":36.4039846,"altitude":0}}],"txInfo":{"frequency":433575000,"dr":0},"adr":false,"fCnt":125,"fPort":8,"data":"OTkzMDkuNjg4"}
As you can see, there is no channel info, while it is presented here: