SMLight SLZB-06 as gateway

I’m looking to use the SMLight SLZB-06 ESP32 board as a BLE gateway for MQTT. It would appear to be similar to the compatible Olimex ESP32 POE board. Does anyone have any idea whether this would work, and if so which firmware would be used? I assume esp32dev-ble, but I’m not familiar enough with the ecosystem to say for sure. Any assistance/guidance would be appreciated.