Transaction not yet indexed

nu21qkSwuQm5Q6HyDD9waAHCeLFpXXMHTbxJ6MAsX9nmXXKyy7i5awSBqH7wsjd6R8Ha9jrcc4Wp6WUezGCrYdG

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