Integration of OGC SensorThings format over MQTT publisher

Hello. I am new here. I am working on chirpstack server by sending data from lora node and viewing in on chirpstack server through the lora modem gateway. Now i want to integrate OGC server ( basically FROST) over MQTT publisher. i need some guidance how to implement the integration as shown in the figure below ? Thank you

Hi, have you succeeded with this?