Transaction not yet indexed

YSLEkSdppKpuafvaUhdDWQRDJ3zyVQ2NudQ3B9mZ4UHoRcmb2KBffMYA9NGb5kUBL3cbbRffB88PZGBada9vLeE

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