Transaction not yet indexed

5Mdr199yyEhSnsuunFrQcfB52WFpb1WvBCRE2JxRqefhqgKZfqAto2kH8khRfCS2xUebny8H37bt4GK9TQTUGMPu

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