Transaction not yet indexed

21Nk21ckuRYt1eXWKis9cDieUdkSDqGAfPLSSoibi5MNHTFb9gyC6w8HBZLf823oREgd9NZEC2QsfdosoxDyozEY

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