Transaction not yet indexed

21HfwwVm9wRiGgpsRxLvk4MNQmLJLJ7Gbzsxvb4bXjPQNJNa2fKsspi7K3HCT5pLRxzy1P2jXgW2UfCYHLA5LuhE

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