how to remove square bracket in json formate string?

remove the square bracket in this string.

{"id":[1],"latitude":[12.45787],"longitude":[11.77878]}

output:

{"id":1,"latitude":12.45787,"longitude":11.77878}

Source: AngularJS

from Angular Questions https://angularquestions.com/2017/10/12/how-to-remove-square-bracket-in-json-formate-string/
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