Transaction not yet indexed

21kkfoW6dPeqeRHs4T45gPu3BSj7kGTftvbJSfcEvbt2BEi1SmjkNgVTDGCNgc1mhbAAgMftRmJ18Xy7FNvYYbvU

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