Transaction not yet indexed

1ffk6uzZEkgZ2ddmuuhuYRZ8SA4EMUY3GJssDoC3sSqZSbk8ffegrwnL2QdLvnn7TcP9RAqGEn4XcJuA7jWi5Xp

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