'ecdsa' package is not installed, pywallet won't be able to sign/verify messages
{
    "defaultkey": "16itQpuKqRaAey22WqpdBZwpbNcLqp5Y8E", 
    "keys": [
        {
            "addr": "16itQpuKqRaAey22WqpdBZwpbNcLqp5Y8E", 
            "hexsec": "e73784e9f9fca3c8eca8a8b4d59feb2109ce33404a2ee90283fc44286dea57fa", 
            "label": "", 
            "sec": "5Ka7................................................"
        }, 
        {
            "addr": "15JpCjih9SEP1x4Vk8A1iEaNkDJG5wQNf7", 
            "hexsec": "c7e2074d7762d5830fe11a9059691f0adb05f03879b10d9ec5aa68e8629ec4ba", 
            "label": "Your Address", 
            "sec": "5KL.................................................."
        }
    ], 
    "names": {
        "15JpCjih9SEP1x4Vk8A1iEaNkDJG5wQNf7": "Your Address", 
        "16itQpuKqRaAey22WqpdBZwpbNcLqp5Y8E": ""
    }, 
    "pool": [], 
    "settings": {
        "addrIncoming": "143.215.153.83:36128"
    }, 
    "tx": [
        {
            "tx_id": "5f38a21d8cf13ea6c897f4bdb748bfc3e2e3e944340e3b4ea4b6c1a01485cff8", 
            "tx_k": "027478f8cf8514a0c1b6a44e3b0e3444e9e3e2c3bf48b7bdf497c8a63ef18c1da2385f", 
            "tx_v": "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", 
            "txin": [
                {
                    "prevout_hash": "b590a61b2a7d619c2ef5401e6e1742c34d694d7894a94cf9a8546b91246573b1", 
                    "prevout_n": 1, 
                    "scriptSig": "47304402200ab39ab90395bf5cb574734353fc14d73eda4b7bd79264a5d1202b5a52fc4f0a022070b0a19a64bb3f225c0edc87e27a2e4e8d581fb35cb6b8a3571e9dcac0bd6e54014104d9919a0a9972af991df4a71ea10453014bca3f111b01d3b58333384bb7527bcabd6d67042e26e418d55637fd49f556ebdbffe8af7d65eaf9ad89eb256840b042", 
                    "sequence": 4294967295
                }
            ], 
            "txout": [
                {
                    "scriptPubKey": "76a914dd3777e1e090b5f9e917b92d250aa16608ba3d1888ac", 
                    "value": 0.5
                }, 
                {
                    "scriptPubKey": "76a9142f3efa1e65fdedf0b5bcddd1285196e05ba7ebe988ac", 
                    "value": 0.05
                }
            ]
        }
    ], 
    "version": 310
}