Transaction not yet indexed

21TkDfkrrkmZDW9RefBkXkLNnc9ictawu8ExBQfXjgFafjV13hdgNUu9DMBzFYrU5SdFH1oEK4hymTVMbvStufC5

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