Transaction not yet indexed

NpffemRqweF9RbpnS27RVxdjKZJ27CgrfVZ1z49R5Ma8i13rrfBwj2SbfLRTXKd7RNeiBSuLFbARP7yKZbCoRxR

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