Transaction not yet indexed

668PfHpBJPEbdHfJon2MkaXaDmDBmytxELNomQtk7GLtm5144T5zWMqab5eQvVpuuR2EPvi3Ttg7K7yQYMPsjX4p

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