Transaction not yet indexed

NKukAFQmVTJFGPvXJ9FroGHZHk3dw3FqseZLywTMbK7zJrs6qzWVQ8uC4CBEp9Wk13s2ixzaVh22TgaCZJC7AzU

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