Transaction not yet indexed

UNDqmmbjSSYeoByQLkmFi8bJ7RRrb7ooHtPLVRWDNH8D74AHhYGfVBvEJEZaH53jEhFHce5XrjCYaFAjJRab31f

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