Handle downlink data: https://github.com/HelTecAutomation/CubeCell-Arduino/blob/master/libraries/LoRa/examples/LoRaWAN/LoRaWan_downlinkdatahandle/LoRaWan_downlinkdatahandle.ino Schedule downlink data: https://www.thethingsindustries.com/docs/integrations/webhooks/scheduling-downlinks/