Transaction not yet indexed

XcS99PmN5PGDS9T66dVUdaq1ff2Z2ddeLWirmGjDPmmUGjpUwBkLXVTQJVvQH3Vka23zLtFaMkyY4ofENTMWHqY

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