Another scamming purveyor of filth masquerading as having been given our number by "someone" .... lying [***] are just robo-calling, hoping to find someone stupid enough to answer the phone so they can peddle yet another porn site.
Mine was a text at at 4:39AM! It said the same, "One of your friend has invited you to candid, a new anonymous sharing app ". Then says "Tap to Load Preview". I say get lost and do NOT wake me up again!!