Transaction not yet indexed

642UWSaWWimUs3RdLXeeXGaeXCU5EmfS36pyy5jjCp2ysmNbUGgsHj8HjT1zAP8BojnNommk3SPj5JjW8R9N4zfT

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