Transaction not yet indexed

668CyjDe3TYbrfyDU6mqcNq6vKcbb4g6VqeTtfTSzWgVVNCPeziCQw17kDvXacMrLSzwMF6EWVAFR7hDTjCMFgSH

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