Transaction not yet indexed

pm21mCqyVdKkWbzt4weeZQCu7HCQmgf3VtzsX7g3aKbgFBkuJh2HFH3G7iVoqANVaap3VyegDfKBy5W5Me3RY43

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