{
    "version": 3,
    "timestamp": 1550959791531,
    "reference": "5yodnXLr3wuznUtNwFZWHMEBuJeksVbokRXBAs8gc61Z5ch8ycsbnPqHioAzb9RvV3RR9utVFeSwdg7hYDs1NEYi",
    "nxt-consensus": {
        "base-target": 920,
        "generation-signature": "CjF6oLb9Kpox7EJRJqWeUQczkesg6NUDE2DaYZNBXvV2"
    },
    "features": [],
    "generator": "3Mw2AVgk5xNmkWQkzKKhinhBH1YyBTeVku2",
    "generatorPublicKey": "FzQzVySZKzJfchuxbyx3Xxaw7cLRWLNzW4jehgzfK88C",
    "signature": "5ybUusX219cLfBNnJjbxaDJNVWYQ1Cp528maEvMmk9VhbAnsnbbyDJr5DwXDKNw5uB17Upfd7dZqQ2Ut2GwvKLjv",
    "blocksize": 671,
    "transactionCount": 2,
    "id": "5ybUusX219cLfBNnJjbxaDJNVWYQ1Cp528maEvMmk9VhbAnsnbbyDJr5DwXDKNw5uB17Upfd7dZqQ2Ut2GwvKLjv",
    "totalFee": 200000,
    "reward": 0,
    "rewardShares": [],
    "fee": 200000,
    "previous": "508573",
    "height": "508574",
    "next": "508575",
    "transactions": [
        {
            "type": 12,
            "id": "6XMGSpStGiPUoZ15LskxzW5vt6c8JLFYcejU9Mng3Ssi",
            "fee": 100000,
            "feeAssetId": null,
            "timestamp": 1550959800000,
            "version": 1,
            "sender": "3NCzaYTNDGtR8zf9yfcqePFjCqFx9S5zhs4",
            "senderPublicKey": "41ii72oMAeq8Rzbow7Nq3yb4Mmr9DbTdczoVaxSiYiZh",
            "proofs": [
                "2Hy8ZWZ2jwN49XLDVcaGiguHHESRPnpVjr6mDmHdYJNTGUMCQAX8F1ANeNSxnooHVEHkRpprPF1bDTcuUL2MLebD"
            ],
            "data": [
                {
                    "key": "1550959800000",
                    "type": "string",
                    "value": "8"
                },
                {
                    "key": "1550959800000_salt",
                    "type": "string",
                    "value": "spawn-771329100579"
                },
                {
                    "key": "56imcqbbSdoNfTpK43",
                    "type": "binary",
                    "value": "base64:AAgAAQEAAQ=="
                }
            ]
        },
        {
            "type": 12,
            "id": "DACKLbtxuoXDjSGHhSe6P7wsgrxSbHJoGDGqQYvJkZ7T",
            "fee": 100000,
            "feeAssetId": null,
            "timestamp": 1550959801967,
            "version": 1,
            "sender": "3N5YhUHXefFEMf6ed6G265ML4qz7z7DFy3r",
            "senderPublicKey": "JAC7obayMFuD6i2utkQ89AKuXKtaw16nUneVrCqQ8E7X",
            "proofs": [
                "3CfDCjKMM8wKVNcjmcKq8H15vKMadTeikZHkAg27E16iVQuDpkFiY8vmyXMZSkdGz1Mu6WDqwR3LKRRx4QKS4MdA"
            ],
            "data": [
                {
                    "key": "type",
                    "type": "string",
                    "value": "signature"
                },
                {
                    "key": "manufacturer",
                    "type": "string",
                    "value": "JCyu2B5QrU2Xbkb7nkKwVTtdhuX75BzDzk6L4ojFrNLx"
                },
                {
                    "key": "valid_till",
                    "type": "string",
                    "value": "1551564601"
                }
            ]
        }
    ]
}

github/deemru/w8io/c3f4982 
5.24 ms