Transaction not yet indexed

21535UfbzszdfBkNZQ6hZf2KyEvvzNzyZPx2qMqpoHm9P8P6L4RoDm8wXxNCWRBgDhqMCWfLgkRqkVYeZQU1zbHH

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