Transaction not yet indexed

4ku1SPx18SNHasdLJEpsjJN2wCPHvWHJxh5TRzBVEXcHQadkEAuMvrbmJ3pvrZhcZUseP33d8kbefjvpyxAdC6Xt

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