Transaction not yet indexed

421EBqERrATv79LaCx5dPbcwEMrT7NyXnnk8axRqY3KL6E3eWHHYbhrLBf2TGSZ7PPC2mdKd5qQMH1LQTvzGF9uW

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