Connecting ebusd and emoncms via MQTT

Nice work, this looks great. I’m just getting started with ebusd. I’ve just go a basic setup up and running:

However, the MQTT topics I’m getting are not JSON like yours e.g

pi@emonhp:~/ebusd $ mosquitto_sub -v -u 'emonpi' -P 'emonpimqtt2016' -t 'ebusd/#'
ebusd/global/version ebusd 23.2.23.2
ebusd/global/running true
ebusd/global/scan finished
ebusd/global/signal true
ebusd/global/updatecheck OK, device firmware 1[3a0f] available, vaillant/08.hmu.csv: different version available, vaillant/broadcast.csv: different version available, vaillant/yield3f40.inc: different version available
ebusd/hmu/SetMode auto;28.0;-;-;0;1;1;0;0;0
ebusd/vwzio/SetMode auto;0.0;-;-;1;0;0;0;0;0
ebusd/hmu/Status01 29.0;27.0;-;-;-;on
ebusd/hmu/State 1;13.0;Eco mode HP on;heating
ebusd/vwzio/Status01 -;-;-;-;39.5;off
ebusd/vwz/unknownMPoll10sB512h 7c 02 00 00 80 ff 00
ebusd/hmu/State 1;13.0;Eco mode HP on;heating

How can I get it to return JSON? Assuming JSON is easier to work with than the strings?