Transaction not yet indexed

21Nb5XU9RsD99XWkWA3hFebPcEjFxkJ9mXGS191HDtBfktKxfXJQxmC9EbfBfm28hZafQvSp84BDVvvdNc4pkr2f

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