Updating a type via rest api getting ItemStatePredictedEvent

Setup, Configuration and Use Beginners
1

Hello,
I try to update my hue light via rest api.
But on the evnt bus I only see

event: message
data: {"topic":"smarthome/items/Hue_color_colorlamp2/command","payload":"{\"type\":\"HSB\",\"value\":\"66,100,47.8431\"}","type":"ItemCommandEvent"}

event: message
data: {"topic":"smarthome/items/Hue_color_colorlamp2/statepredicted","payload":"{\"predictedType\":\"UnDef\",\"predictedValue\":\"NULL\",\"isConfirmation\":true}","type":"ItemStatePredictedEvent"}

How is this value than changed?

2

Please show the command you are sending