Transaction not yet indexed

668FBMX5Mx5gXUmzAJvtb7LZSpCuJc7MuR98K74GoDCRSDRgB6mAWUDQLZQRmhK1LG29xRBUDCC1SvPHnDr446x

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