Transaction not yet indexed

YYmJ8nKvS7unNsizNzSVjr5EvCk1jVXXTU7ES1MQHG9tHQv37oPYE2dF6k4wpPFsJx1K6MRLcRPuqZBrGC8VPcM

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