Transaction not yet indexed

21U1j7rhtYoPEzjMUZvZKmZ4dfkZgJAieqyJC35sJxq5j2MgTdoknSqQPuURnFhKcg8QXoQxkkxmUo5eC6c6cUuH

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