Transaction not yet indexed

21P516pdFcJVqVBfvXW46GyywUXTzUZceHKUPoe7wXCSysjqAYXmLtcTSDuJwwYbupi11qpaHQH1FKCbZUPEWfbe

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