It seems like the job would be working as a support agent on the specified website - if they asked you to register to look around and get accustomed to it, it would make sense. The client seems legit with 300k total spent.
Thanks for posting your question here. I have gone ahead and escalated this to our team for review. I won't be able to share more information about this, but I'd like to confirm that our team will reach out to your client, and will be taking action on the job post.
I would be happy to help. Could you please click on my name and send me a PM with more information about the contract and the client you are referring to? I will be sure to look into your report and assist you accordingly.