Transaction not yet indexed

668SWufwwVCett8eHDYptsvRY3cunALoNeFvxghqTnnYQECLxHd2iUfJ3xwTNS7QEKsbK3XkDK4ncKfbjPQPtTUE

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