Transaction not yet indexed

21Su4d2DKXKMpVttK3NgyWJSj5XeWRVEHpG6Q9gpYy7o8TPzuueDYSbySoyg8eUZv3AMR9yZAi7eKfz7bCgvtDuf

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