Transaction not yet indexed

Um3Tjtx5hRjAtHWmAfo2v2KgMP3yirjQEjPD3UneW6kpYDFd5vh73ng5MPY59d4Su7mPNMc3GUUfSuSRmErR4Mb

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