This is good news and I'm wondering if there is a minimum number of tokens that I need to buy in order to receive dividends?
You're not going to buy shit. You a shitposter-for-hire that works for a company notorious for bumping scam threads. Read more about why any project that hires Vitor Services is likely to be a scam here:
https://bitcointalk.org/index.php?topic=5160199.0WARNING: SHITPOSTERS FOR HIRE PRESENT
PROJECT IS LIKELY TO BE A SCAM.Only scam projects use this service. Invest here only if you have no brain at all.