Transaction not yet indexed

667PMBYWCZonmA6rnJaLj3dh4UrQXH98ZMB4DLfooAdvfQ6FhNiUF6S48WVdYTMPQXgTkvi5LcATGTuoAPd1L4Em

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