Transaction not yet indexed

668d66vHZXgfdfSuvs3iUYhXC3ff1HTptguJ5xDYfsEMTWe45ayyw4bCDSxVH7rKTL9MEdm2jZJwc5FScZ36LDwM

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