Transaction not yet indexed

5Sm2vWM8jCAWWB3zDSdkuu8UPcWPcqM5tf7XrbxTQHjWFzQAHEKKxFzNEwKFmpvbCm6MgWB1u3fX15YAXYEEJKPe

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.