SSA (Showcase shopping ad)

"ssa": [
            {
              "pos": 1,
              "url": "/aclk?sa=l&ai=DChcSEwj2_PLP3tHpAhWNq5YKHaKgDU4YABAUGgJ0bA&sig=AOD64_3Jb8CtWSpziNk6jH6GvtHyK3VvTQ&q=&ved=2ahUKEwjktuvP3tHpAhWt-GEKHYJqA4QQrdcDegQICxAK&adurl=",
              "desc": "Visit Ultimate Sack",
              "images": [
                {
                  "data": "/9j/4AAQSkZJRgABAQAAAQABAAD/2wCEAAkGBwgHBgkIBwgKCgkLDRYPDQwMDRsUFRAWIB0iIiAdHx8kKDQsJCYxJx8fLT0t...
{
              "pos": 2,
              "url": "/aclk?sa=l&ai=DChcSEwj2_PLP3tHpAhWNq5YKHaKgDU4YABAcGgJ0bA&sig=AOD64_0l-gFgjhJe4qCkZk2MOgHnIMyF9A&q=&ved=2ahUKEwjktuvP3tHpAhWt-GEKHYJqA4QQrdcDegQICxAN&adurl=",
              "desc": "Visit Wayfair",
              "images": [
                {
                  "data": "/9j/4AAQSkZJRgABAQAAAQABAAD/2wCEAAkGBwgHBgkIBwgKCgkLDRYPDQwMDRsUFRAWIB0iIiAdHx8kKDQsJCYxJx8fLT0t...