hen attempting to effect substitute service, and its absence renders service defective on its face as a matter of law, requiring reversal. Brown v. U.S. Bank Nat'l Ass 'n, 117 So. 3d 823 (Fla. 4th DCA 2013); Walker v. Fifth Third Mortg. Co., 100 So. 3d 267 (Fla. 5th DCA 2012); Nirk v. Bank of Am., 94 So. 3d 658 (Fla.