Transaction not yet indexed

668DEaFTSr2jnTCmHSuy2xtWPjcnKiaaqDhMxd3WSEfPQUp4hduQs3pgR5QL42nMbJPVXdMMY2dji1fSTcvjMR7

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