Spotted in the latest edition of the Micra Cup Magazine. ( https://www.micracup.com/Micra-Cup-Nissan-Magazine-Free )
Maybe it's a vinyl wrap?
Either way, looks neat.
I once saw an original VW Beetle done up with a similar paint job where they stripped the body off the car, and slowly dipped it into & out of a pool that had different colours of paint floating on the surface. It came out with quite an amazing effect.