Transaction not yet indexed

668NcJTy4c1F52KZgFdbUEjTYSSPxmdcdzmMxgnxn4vS4gQeSJkUD8cFJsCs5i3uRQ8auJSvpVdB9kEoPHyk79Z3

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