Hi,
What I would do is to try to connect the LORA module to the ESP8266, as it is a better uC than the Arduino UNO.
If you dont know how to do it, and want to invest some time on this, would recommend to ask into the arduino forum (forum.arduino.cc), there are many developers and makers there that surely have had the same need, once it is working we can help you to make it interact with thinger platform.
You can connect an arduino across the esp12, as another user did, here are few details how to:
I am so sorry that I cant give you more help, but sadly I have no experience with the shield, nor the connection mode, neither have the devices to give it a try.
Hope this helps.