ed members of the class to which they belong and which they purport to represent." Montanez v. HSBC Mortgage Corp. (USA), 876 F. Supp. 2d 504, 512 (E.D. Pa. 2012) (citing Klein v. Gen. Nutrition Cos., 186 F.3d 338, 345 (3d Cir. 1999)) (finding a concrete and particularized injury where plaintiffs alleged the