In: [=[{"id":"1","text":"bla"}]=]
Out: [=[[[{]]"id":"1"[[,]]"text":"bla"[[}]]]=]
In: [=[{"id":"1","x":"y","text":"bla"}]=]
Out: [=[[[{]]"id":"1"[[,]]"x":"y"[[,]]"text":"bla"[[}]]]=]