{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950320,-0.311276,0.000000,0.000000,0.173652,-0.530155,0.829928,0.000000,-0.257794,0.787042,0.560452,0.000000,-1645979.223259,5025149.148021,3554449.671566,1],    "boundingVolume": {    "region": [1.887282,0.594873,1.887381,0.594990,0.000000,8.808776]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/5_1452493.b3dm"}}}