Transaction not yet indexed

668JaXGSn6JvsVLRKYEd5WEPyqpfrwrH9fcG1cQdB66Ydpaoj2JQg7tZxqq1ETVbxdE8hfU7tm3DALexumsJymu3

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