Transaction not yet indexed

21ppAnSA6tpQyoE4Z5ysAqYZanREzQ9dNNCwjV5TVv7vehkhbkZd6W9gHTedzEBsMhHDp6Jdcfi4fGrGu3a8kfny

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