Transaction not yet indexed

YyNebs9iLa78PBzspXppHqVfbqTFPYoZoZenWAMTMde2mdiTuPB1F9Rbg1WDDXp5dBjttJudN6s6Ms2EiuiRfr6

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