Transaction not yet indexed

NfM4fNBD8eVsqUs9ynvCSQcM6g8qTWPBSCfw3EwuncAL75qhcKuEEJLyS2U8u7rnNtahvbS3nyYNERTYxKJ8z2Y

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