Transaction not yet indexed

668Uh1EhDMNwNrhYphEPBCELW3FcqtDpAhw7JpbiPCvTq4UTsvL7aNLdArww9RMsZb3h4c3xpXCwHkBNqQPW8ZEn

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