Transaction not yet indexed

21ffUFntj5fY9Sb1Cz37zV1YWHFd6iAbDHni5aC9G4pnQvBAUpj4gJsYJRmRzKPgtKmnfJopsuVTiymXgVFU6Jkr

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