[
    [
        {
            "nonce": 12
        },
        {
            "from": "from",
            "amount": 100,
            "to_whom": "to_whom"
        },
        {
            "preview_hash": "08cf9f3a545684c6e9509b5b85717da1007710c363303d8077ac3dc4770af892"
        }
    ],
    "0666bdd3addb25eb0c3a7a87df7ffdceaf4e0cd12310bc279d61c47fe9c5b6cd"
]