Display data from Firebase with listview in Mit App Inventor

Hi everyone, I'm new to Mit App Inventor, I find it pretty cool.
I'm having a small idea but I haven't done it yet, I've watched many youtube channels but it hasn't really helped me.
I look forward to receiving help from the masters.
Thanks everyone
Below is a description of what I'm doing

Regarding those 4 lines of data, did you enter them manually in the Firebase data console, or did you add them by running a program on a device an Arduino?

Could you post your sketch here?

I don't see any way to grab that data structure into AI2 other than asking for the entire contents under the 'Data' tag.
If you suxxed in getting that back, show us how it looks in a Label.Text or a Companion Do It so we can advise on how to parse it.

By the way, it's spelled Humidity in English.

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yes, i use esp8266 to send data packet as i described in the picture, it updates data to firebase about every 10p, thanks for reminding

That's great, but those 4 lines are symbolic, but the data syntax I will stick to is like that, in reality there will be many such lines updating over time