{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950226,-0.311560,0.000000,0.000000,0.173867,-0.530276,0.829806,0.000000,-0.257992,0.786848,0.560634,0.000000,-1647241.904532,5023913.847870,3555602.976126,1],    "boundingVolume": {    "region": [1.887581,0.595092,1.887681,0.595209,0.000000,8.764896]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1453712.b3dm"}}}