{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950377,-0.311099,0.000000,0.000000,0.173597,-0.530323,0.829832,0.000000,-0.257618,0.786998,0.560595,0.000000,-1644856.269101,5024872.134251,3555354.911042,1],    "boundingVolume": {    "region": [1.887096,0.595045,1.887196,0.595162,0.000000,8.819856]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1453191.b3dm"}}}