Usage: dm-cli account update [options] <bitcoin_address>

    Update user account data.

    To change the account data you should sign the current date and new user data
    with your bitcoin private key. For example, current date, new bitmessage, signature:
    2020-01-01
    BM-2cUuxYUFWLCrtpKRMdHCpU1QKEuFtHh7vu
    IEF1ysyhu8ps0m5xSJaZZg/5hBylmcWQQggkGO7yNN8iMf/EA2O287kxi58xCDDtxvdsC0TWqylVE5MT5CouamU=

    -d|--date <yyyy-mm-dd>    Current date.
    -s|--signature <sig>      Bitcoin signature.
    -p|--pgp <pgp>            Set up an armored RSA pgp key.
    -u|--url [+/-]<url>       Add/remove an url to trusted list.
    -b|--bitmessage           Change bitmessage address.