Transaction not yet indexed

666txNFF65YjnydP4wUYaAoc1FfeCdPXaWYVHFJyWpFRUfRmH3JWAPqSWfmVTYv9LeFWiAUVbnjA4QWobcYRDhke

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