Although this tweet does not appear legitimate, as the account @JCSlater is a private account named Jordan Carnell, there is one interesting piece of information.

EDIT: The social media platform is concealed, so this isn't even Twitter.

4. 60% of the injected have detected 'microclots' with the d-dimer test in the first week after injection.

I think this is the "60% thing" that the Johnson & Johnson employee was talking about in the Project Veritas video.

Although this tweet does not appear legitimate, as the account @JCSlater is a private account named Jordan Carnell, there is one interesting piece of information.

4. 60% of the injected have detected 'microclots' with the d-dimer test in the first week after injection.

I think this is the "60% thing" that the Johnson & Johnson employee was talking about in the Project Veritas video.