Transaction not yet indexed

21xkBKfUTAPwM5H6JpReTkQiWQEuPj67vLgdWKTGAfXzqRvRaszzmPzRe4ZTvxRMpLdSJ5PWt3msTef7xUDoWPu8

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