Transaction not yet indexed

51smCd4XNyNxqkMCfp5585VgiVWd11VS4YAVc8FeRCPx1weHLWqCurMNWMuGdE2eM6JfD6iPN4rcyknF6zEyCza

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