[
    [
        {
            "nonce": 21
        },
        {
            "from": "from",
            "amount": 100,
            "to_whom": "to_whom"
        },
        {
            "preview_hash": "02e234bf063fba31a1824bb318bd9b99de3c2c8581796f764044eb244f569069"
        }
    ],
    "0501207886e3008ab0fb5ce4def8805feb8feae9260be2ea317d2a6c452ba3e5"
]