Transaction not yet indexed

668Z89Q7VvWJUPo2BEjFqDFM898yTTVDWkqWWpQDWLbPQEH8cFSqH4RCZj7usswheT5mxMDZAeCQbMQ9aTn4nNCw

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