Transaction not yet indexed

5u3bNgRrFeEgBgnFoo3Libs8GqKqNPUsStkjGF36F8sEFvfsrvoKqWEqExP3FbwrHNPnThvp5zDiMFqUSxArz5p1

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