Transaction not yet indexed

21a8kMzfdekGBR4f6gk3du7TYP1WquWDvcY9HXEBv5rZQevSHXc365r1eAi3LvGVEGxT3tu8JNhtGJji8FkWbi27

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