Transaction not yet indexed

NGu8C6wEzvc2M6St3kbfo3ytCC9kqsJf2o7vvuzyT33mvbzj2F1DsbdoQaJ1pMBxzAs9ZD2pgEizfvcPQB7x539

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