Transaction not yet indexed

YHEefJ8k4e1WdjSBSBqpY215ryqdPgkafqAzcaem5zkTEQozYM2yENx5AMtXJJLSPUU5Z9QwtTs3iGhUZmVdta7

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