Transaction not yet indexed

Ap4J9nbDkcwntWSEWQyBYmdDQ1pkX5cz4gDuCb3MYcsurEDe2aBTcRXtwVKMBqmsyL2VKJDaVkYF9D68qgUMjR6

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