Transaction not yet indexed

yMumxTUddYrn6ejihPNk1gHiYpFizBRgJQuRTzBxSMPgeSU1gqtDczqReCqqBB7TpPFM16PVxAwXMBTF4NFGSnt

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