Transaction not yet indexed

21FpmkR46EVhcNxGBMuqPDnRfLdCty2dNridfZ1sr8q3WMA2JZYHWHTXeE22eYzDyaEQYfRmgfopgx9P9nyaVX5u

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