Usage: dm-cli deal negative [options] <bitcoin_address>

    Leave a negative feedback

    To leave a negative feedback you should sign the deal payment address and feeback text message
    with the customer bitcoin private key. For example, address, feedback, signature:
    2NEVoXnRgUeb3j17s7pP6DoFHBVHMb94gF5
    customer random feedback text
    H1u44C5cyEeKjHqnNnn09B8mIRMdqgR8PD9AeF8mv+cCEqM9HPkcWLrc8a/v2po2YmXJSeya6uy0XaLnmmmO/1o=

    -m|--message <text>       Deal feedback text message
    -s|--signature <sig>      Bitcoin signature.