The LoRa node (from the previous post) code was changed to send a payload that says "Happy Father's Day!"
Payload in hex is:
0x48 0x61 0x70 0x70 0x79 0x46 0x61 0x74 0x68 0x65 0x72 0x27 0x73 0x44 0x61 0x79 0x21
which equates to
Happy Father's Day! in ASCII.