Transaction not yet indexed

668CYCyEmyeWnXZdS1n38hPMtjZPZQEfKMLHTtAcyE1qfA5XtKgZbkFJ8oZRzvTXNkL6waiLseqmmbeyT4VHZueN

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