Transaction not yet indexed

Ub16FA9doWd7hFJEcgzm3V4r7bTQFXTm8SGTf7dECHPVp8WahMFoScrfSVPp5iZRKuThrwcAdZ396SRMd3uPrUN

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