def METHOD_NAME(args: Any):
    args.data = 'unBondTokens'
    args.data += '@' + utils.str_int_to_hex_str(str(args.unbond_value))
    args.receiver = VALIDATORS_SMART_CONTRACT_ADDRESS
    if args.estimate_gas:
        args.gas_limit = estimate_system_sc_call(args.data, MetaChainSystemSCsCost.UNBOND_TOKENS)