Transaction not yet indexed

21b6oZyNrWd3oLrzst4wV44m61PC5LCD1DXrNxcT28K9x66T9KkiTRuXRzBukMKPaVfoAjdXg6aXdZ4i4swAyEzw

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