Transaction not yet indexed

21AF6mb16MP2JkH7hZteExqmGwmATZ2Et7sSHcdm4gswjF9Z7fSdKJ5HcrsBYYysPdVwYmhQfXaGVF7SyNZ3DoL4

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