{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949413,-0.314031,0.000000,0.000000,0.175215,-0.529731,0.829870,0.000000,-0.260058,0.786236,0.560538,0.000000,-1660431.498852,5020003.483929,3554995.099328,1],    "boundingVolume": {    "region": [1.890151,0.594902,1.890313,0.595168,0.000000,8.817220]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/13_1371032.b3dm"}}}