The President can only sign the Bill AFTER it has been transmitted from the National Assembly.
It is worth noting that #NigeriaStartupBill is an Executive Bill, championed by the Presidency & @FMoCDENigeria; and, when assented to, will be one of Pres. @MBuhari’s major legacies.
You are calling on the president to sign a bill that emanated from the presidency, even though it has not been transmitted to him. Own goal always.