THe mote alsways sends the same messange, the one shown in picture 2, incomingMessageToKerlink.png, and as reply to it I send back the HI one. THe messege itself is
{"rxpk":[{"tmst":1791393724,"time":"2016-03-25T08:28:35.258709Z","chan":2,"rfch":1,"freq":868.490000,"stat":1,"modu":"LORA","datr":"SF8BW125","codr":"4/5","lsnr":7.8,"rssi":-63,"size":14,"data":"QAMBAQKAegAB36LpkDE="}]}
Or at least that is what arrives always to my server