Transaction not yet indexed

21Srgz5i89qqLyu5V5dCsooDTbLoAAdg5JeRZsC28XhcutwzRhNkrpyZuPyUGVnw2vbUTKRgVK91xv9QxSzDsFPd

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