@Alex (https://www.imker-nettetal.de/category/stockwaage/), starts publishing measurement readings. Welcome!
He is using the ESP8266 beehive scale based on Homie and is running a local Mosquitto broker with a bridge configuration for forwarding MQTT publications to swarm.hiveeyes.org. A detailed description of his setup can be found at:
Inbetriebnahme von node-wifi-mqtt-homie mit Hiveeyes Anbindung