converting json to models

{ "error": 0, "message": null, "results": "{"4":{"id":4,"name":"Everyone","goal":0,"isCaptain":0,"memberCount":3,"rank":1,"rank_status":"Your Rank: #1 out of 3","leaderboards":{"id":4,"name":"Everyone","rank":1,"memberCount":3,"stats":"1681 km","percent":0,"atTop":[{"id":1,"name":"Benjamin Anderson","photoURL":"https:\/\/mobilelife.s3.amazonaws.com\/development\/profiles\/ceb6002e74321e4200d176be74d5f4dd.jpeg","rank":1,"cheers":1,"cheered":0,"message":1,"stats":"1681 km"},{"id":2,"name":"Charity Dynamics","photoURL":"https:\/\/mobilelife.s3.amazonaws.com\/development\/profiles\/5182f4431061d98f6bd5e1edf3d9782a.jpeg","rank":2,"cheers":0,"cheered":0,"message":1,"stats":"350 km"},{"id":31,"name":"Shivani Patel","photoURL":"https:\/\/mobilelife.s3.amazonaws.com\/development\/profiles\/b75493f3dbb41200b0d901c9c4aa46c3.jpeg","rank":3,"cheers":0,"cheered":0,"message":0,"stats":"0 km"}],"aroundMe":[{"id":1,"name":"Benjamin Anderson","photoURL":"https:\/\/mobilelife.s3.amazonaws.com\/development\/profiles\/ceb6002e74321e4200d176be74d5f4dd.jpeg","rank":1,"cheers":1,"cheered":0,"message":1,"stats":"1681 km"},{"id":2,"name":"Charity Dynamics","photoURL":"https:\/\/mobilelife.s3.amazonaws.com\/development\/profiles\/5182f4431061d98f6bd5e1edf3d9782a.jpeg","rank":2,"cheers":0,"cheered":0,"message":1,"stats":"350 km"},{"id":31,"name":"Shivani Patel","photoURL":"https:\/\/mobilelife.s3.amazonaws.com\/development\/profiles\/b75493f3dbb41200b0d901c9c4aa46c3.jpeg","rank":3,"cheers":0,"cheered":0,"message":0,"stats":"0 km"}],"goal":"0.00"},"challenges":[]},"1":{"id":1,"name":"Access Group 1","goal":1.3,"isCaptain":1,"memberCount":4,"rank":1,"rank_status":"Your Rank: #1 out of 4","leaderboards":{"id":1,"name":"Access Group 1","rank":1,"memberCount":4,"stats":"1681 km","percent":0,"atTop":[{"id":1,"name":"Benjamin Anderson","photoURL":"https:\/\/mobilelife.s3.amazonaws.com\/development\/profiles\/ceb6002e74321e4200d176be74d5f4dd.jpeg","rank":1,"cheers":1,"cheered":1,"message":1,"stats":"1681 km"},{"id":2,"name":"Charity Dynamics","photoURL":"https:\/\/mobilelife.s3.amazonaws.com\/development\/profiles\/5182f4431061d98f6bd5e1edf3d9782a.jpeg","rank":2,"cheers":1,"cheered":0,"message":1,"stats":"350 km"},{"id":31,"name":"Shivani Patel","photoURL":"https:\/\/mobilelife.s3.amazonaws.com\/development\/profiles\/b75493f3dbb41200b0d901c9c4aa46c3.jpeg","rank":3,"cheers":0,"cheered":0,"message":0,"stats":"0 km"},{"id":45,"name":"Steven Yarbrough","photoURL":"https:\/\/mobilelife.s3.amazonaws.com\/development\/profiles\/f145eb64921db9f39bf880875774e30f.jpeg","rank":4,"cheers":0,"cheered":0,"message":0,"stats":"0 km"}],"aroundMe":[{"id":1,"name":"Benjamin Anderson","photoURL":"https:\/\/mobilelife.s3.amazonaws.com\/development\/profiles\/ceb6002e74321e4200d176be74d5f4dd.jpeg","rank":1,"cheers":1,"cheered":1,"message":1,"stats":"1681 km"},{"id":2,"name":"Charity Dynamics","photoURL":"https:\/\/mobilelife.s3.amazonaws.com\/development\/profiles\/5182f4431061d98f6bd5e1edf3d9782a.jpeg","rank":2,"cheers":1,"cheered":0,"message":1,"stats":"350 km"},{"id":31,"name":"Shivani Patel","photoURL":"https:\/\/mobilelife.s3.amazonaws.com\/development\/profiles\/b75493f3dbb41200b0d901c9c4aa46c3.jpeg","rank":3,"cheers":0,"cheered":0,"message":0,"stats":"0 km"},{"id":45,"name":"Steven Yarbrough","photoURL":"https:\/\/mobilelife.s3.amazonaws.com\/development\/profiles\/f145eb64921db9f39bf880875774e30f.jpeg","rank":4,"cheers":0,"cheered":0,"message":0,"stats":"0 km"}],"goal":"1.30"},"challenges":{"2":{"id":2,"goalMax":5,"name":"Challenge title 2","description":"Challenge description 2","joined":1,"earned":1,"future":0,"goalMetric":"km","goalCurrent":409,"goalPercent":100,"goalCurrentStatus":"409\/1.3 steps","goalPercentStatus":"100% to goal!","participants":0,"duration":"Ongoing","daysLeft":0,"imageURL":"https:\/\/bf-vid.s3.amazonaws.com\/Badges\/activity_distance_ride_century_inactive.svg"}}},"2":{"id":2,"name":"Access Group 2","goal":15,"isCaptain":1,"memberCount":3,"rank":1,"rank_status":"Your Rank: #1 out of 3","leaderboards":{"id":2,"name":"Access Group 2","rank":1,"memberCount":3,"stats":"1681 km","percent":0,"atTop":[{"id":1,"name":"Benjamin Anderson","photoURL":"https:\/\/mobilelife.s3.amazonaws.com\/development\/profiles\/ceb6002e74321e4200d176be74d5f4dd.jpeg","rank":1,"cheers":0,"cheered":0,"message":1,"stats":"1681 km"},{"id":2,"name":"Charity Dynamics","photoURL":"https:\/\/mobilelife.s3.amazonaws.com\/development\/profiles\/5182f4431061d98f6bd5e1edf3d9782a.jpeg","rank":2,"cheers":0,"cheered":0,"message":1,"stats":"350 km"},{"id":31,"name":"Shivani Patel","photoURL":"https:\/\/mobilelife.s3.amazonaws.com\/development\/profiles\/b75493f3dbb41200b0d901c9c4aa46c3.jpeg","rank":3,"cheers":0,"cheered":0,"message":0,"stats":"0 km"}],"aroundMe":[{"id":1,"name":"Benjamin Anderson","photoURL":"https:\/\/mobilelife.s3.amazonaws.com\/development\/profiles\/ceb6002e74321e4200d176be74d5f4dd.jpeg","rank":1,"cheers":0,"cheered":0,"message":1,"stats":"1681 km"},{"id":2,"name":"Charity Dynamics","photoURL":"https:\/\/mobilelife.s3.amazonaws.com\/development\/profiles\/5182f4431061d98f6bd5e1edf3d9782a.jpeg","rank":2,"cheers":0,"cheered":0,"message":1,"stats":"350 km"},{"id":31,"name":"Shivani Patel","photoURL":"https:\/\/mobilelife.s3.amazonaws.com\/development\/profiles\/b75493f3dbb41200b0d901c9c4aa46c3.jpeg","rank":3,"cheers":0,"cheered":0,"message":0,"stats":"0 km"}],"goal":"15.00"},"challenges":[]},"3":{"id":3,"name":"Access Group 3","goal":0,"isCaptain":1,"memberCount":1,"rank":1,"rank_status":"Your Rank: #1 out of 1","leaderboards":{"id":3,"name":"Access Group 3","rank":1,"memberCount":1,"stats":"1681 km","percent":0,"atTop":[{"id":1,"name":"Benjamin Anderson","photoURL":"https:\/\/mobilelife.s3.amazonaws.com\/development\/profiles\/ceb6002e74321e4200d176be74d5f4dd.jpeg","rank":1,"cheers":0,"cheered":0,"message":1,"stats":"1681 km"}],"aroundMe":[{"id":1,"name":"Benjamin Anderson","photoURL":"https:\/\/mobilelife.s3.amazonaws.com\/development\/profiles\/ceb6002e74321e4200d176be74d5f4dd.jpeg","rank":1,"cheers":0,"cheered":0,"message":1,"stats":"1681 km"}],"goal":"0.00"},"challenges":[]}}" }