Transaction not yet indexed

YpmdEnTCeUq2ixqxxi16oU4vExLPNAhjTB5YYbDkGUTTbBqnM21RjPSjaGCDffHa6pbsxukXx7ZzzvseHFt1Px6

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