Transaction not yet indexed

6721WfQXzHsLVuupsq8RM7MoKpd4MHay3REfNDjHDXwzSSvxMq56hbsKWdZhAPoz9sKt7cp3JL6g93mfXNrdVvvL

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