Transaction not yet indexed

5b6TWW5MbHPRQjGSiEfUVGqHM2fE6EXqmtcmC2NpGFc456jFEYb3TgtRBN1yADYc2Dm6PzEyyT7M6DvtLrpMnF41

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