Transaction not yet indexed

321CUuUbTriwZFaBfN1N1FSTJy8M4PdZKy4oLpUujsVGsNBYpyBTArta6EPFWWuSt8A2qygUGqQ3PtUbJ8pTuig8

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