Transaction not yet indexed

668LkKmqVRf3KdX7ELTov18WyudzzLFiqQSJbweUmdBDDQcGbYhUNJJMvnMZZ2XRD44Bv1hCTKUxmhb9ibpD6p3K

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