{
    "sheetname1": [
        ["Header 1", "Header 2"],
        ["Content A2", "Content B2"]
    ],
    "sheetname2": [
        ["Header Sheet2 - A", "Header Sheet2 - B", "Result"],
        [150, 100, "=A2+B2"]
    ]
}

Filename :

{ "Transactions": [ ["Name", "Debit", "Credit"], ["Transaction 1", 100000, 0], ["Transaction 2", 0, 50000], ["Transaction 3", 0, 50000], ["Total", "=sum(B2:B4)", "=sum(C2:C4)"] ], "Items": [ ["Name"], ["Item 1"], ["Item 2"], ["Item 3"] ] }

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 B i n a r y   d a t a 

sheet name `salah data` harus berupa multiarray.
format: {"sheetname1": [["header1", "header2"], ["row_a2", "row_b2"]]}

overflow. max size is 100K