Transaction not yet indexed

21ai1ZAKkzfec2s7vyjK3g2yqHG9gv8YxHe74aGNYxRzJZSwMqptN1MEQHqfH3GsPJZApDApJ9kMMoVGLFe8XhF1

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