Transaction not yet indexed

HD8Y21j5AmjRPdtpEYgJ8SRyb4EpYtMrBbncsnC7jX1nQdx2DbbdrPUdVkycMPQfLNRikHKX5qknxmDyaYSnM5P

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