Transaction not yet indexed

Y88LhNgr2nmpapZGR43HYQuDbE3HTomepHjLW5PkxJNd1eFKfB5gLX39ezXVbtHQU8LQHRvsmPnAC2yphySyJNN

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