Transaction not yet indexed

666eMPc12MGAnNknb1M9JoXdavYHvvaUr1hsadvTjVaJZ4fZtfG6MM7aeL4dzF8dtBiDHQtCh5gFb7iBFkZk2xtc

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