Shorten the param names from coordinatesSouthWest"%3A%7B"lat"%3A45.17434025381658%2C"lng"%3A4.218411610190387%7D%2C"coordinatesNorthEast"%3A%7B"lat"%3A49.43245661268574%2C"lng"%3A20.060696766440387%7D%7D
Should be s=45.174340&w=4.218411&n=49.432456&e=20.060696