Transaction not yet indexed

MkUDxR2SA4XEEsVe1Quw69FjC7yky8agfx2fwRq7sBLegLR7gUErTpMQVqFmRATwpFG9kEhUaYhg4tRLMmSEDSG

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