Transaction not yet indexed

21AKgXhR72hTcV7FFofmXAY2wTqJ23xtPNrabRTiamAUgLH8V1FTixXckhBdXVNXkTsWdLPFcoS9Fa2MKCYZftbW

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