Transaction not yet indexed

Ex66dumGrD1P9ZPJ5P28VBbmHstN6di16j5gucJZCCrv1GYeHr9HHCGXM7pHf32753X15Eri4cpr8WNJDsuZsqS

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