Transaction not yet indexed

NQ91pVtBAvRu971QpQLrccFX26V8ZqGr6Yf9HaPgFVyaPExJab3Y4UpMsAySEQSCFvUw3WrAoycNvo18L7ePAqe

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