{ "device_sn": "SN" }
curl --location --request POST 'http://127.0.0.1/cgi-bin/hardware/get_device_feature?provider_access_token=PROVIDER_ACCESS_TOKEN' \ --header 'Content-Type: application/json' \ --data-raw '{ "device_sn": "SN" }'
{ "device_feature": "{\"printer_type\":\"CM12838-W2\"}", "errcode": 0, "errmsg": "ok" }