Transaction not yet indexed

21cu8aZZmLQJVU4jAiHQLHjewKtMMK4WS6jdjw16pSuKh7J2EXKDXEToAGjsiGrvxeEW2HnF3V316DPqc4qxycjk

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