Transaction not yet indexed

21FFCf7RHcBfdoCThDH4D4SWVZpsEmBVYNF16pEXyyExH3TJ9AwkHigKxZRs8PzwRDCPSYqK5UAjCn7mLMXmJuAC

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