Transaction not yet indexed

668RmUysrpPP9itYra4wSum4aysxC1ac2zp2sAXknciiyynD68XFQr4p9q7mVivSwPNgtnSJyAGpCmVaUMHaFp8M

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