Transaction not yet indexed

CUMUnYkJ7bKRfVmofRFhV6BuRsqYGbpm8GhTcDSin7qe8TDsDNPP21FWMmQDBs1TsfUWN1mK6F1cFhkYuhjT24E

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