Transaction not yet indexed

668uKTKFFu1U7a7sjsNkY5PoMiuCgX4D63tJXKbySYUMH2d2e74KDh9aVvdCPyTZX2Cj3tEYdfgX4VYX6ASsDcHY

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