Steps to reproduce

npm install

node .

Result

Publishing small payload
[u8-mqtt] Got message with length 13
[mqtt.js] Got message with length 13

Publishing large payload
[mqtt.js] Got message with length 11888891

Expected result

Publishing small payload
[u8-mqtt] Got message with length 13
[mqtt.js] Got message with length 13

Publishing large payload
[u8-mqtt] Got message with length 11888891
[mqtt.js] Got message with length 11888891