Transaction not yet indexed

21C6YDJV1hVCWqiAMKUDvA9s8c3MKx5sc7N1tFjCEXxob6GNCX6KYcjeZDd1esQ8NmC8YMXGEqgQkkehUJ2cgPQK

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