def METHOD_NAME(args: Any):
    parsed_keys, num_keys = utils.parse_keys(args.bls_keys)
    args.data = 'stakeNodes' + parsed_keys
    args.receiver = args.delegation_contract
    if args.estimate_gas:
        cost = MetaChainSystemSCsCost.DELEGATION_OPS + MetaChainSystemSCsCost.STAKE
        args.gas_limit = estimate_system_sc_call(args.data, cost, num_keys + 1)