Transaction not yet indexed

21SDu7bMYc5j1Rz2iwCmFXJohWXUDNhgTafayBSxWraSWQBEqSQ18zMRpyyXdRztutVdG8bxYo7ggo8bCKaGKAiN

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