Transaction not yet indexed

FL21zwiDuDvbGoUKtpcpufUNMtMxDXHE6W2rdZkSHDcMtuuNMCRb3J1j3XM9UFiwrVii7MyKpDTU32tyLE2kkFi

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