Transaction not yet indexed

AMkktHU56PDXxVt9DKFroj8A6jAQ9HAQDmyMT7ozGf26RuaUu6ToNL8iZB4MLgH2HbCPru3tcRJwVCiyoFxWkDB

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