How do you get url data from this list of json?

[MD_Limon_Mia]

How to get url data from this list of json to list ?
[
"[{"url":"images1"}]",
"[{"url":"images2"}]",
"[{"url":"images3"}]",
"[{"url":"images4"}]"
]

[TIMAI2]

You can do it like this:

Note: you won't be able to do this in Kodular....