Transaction not yet indexed

21n2LaNwP9xnmaPomjJkjnjEUw1TvQsqWwet8CuKsiDpjuxj8DpWNKoRxLGVcXeLV9pwbfgvhQX5KvUbZ8aZisQ4

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