Transaction not yet indexed

MKTQxHzM5pkAKoxPYaAwA1hxEcaWZmpHFxiCcgFVbzyrfgw5Z6h8rFknZoysMwAwEFr4a1WsRBhUh48EKdau3qn

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