Transaction not yet indexed

21p5LCdsfgaBZQeF9caAB9TcKWffYa4QoCSwuuuCyuLjtuaWe4rfSwJSfU36VxbC3EufxUUTx5FJSac4vbK5wcmr

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