Transaction not yet indexed

21XkZ7KAkhZ1RkEh8S5EPshSYkygg9uRFGDUHHzE18jg4CSRkdzeM6oYhiUpZsZuuqRVNhW1oTMAwtangxSFETxU

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