{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944037,-0.329840,0.000000,0.000000,0.184236,-0.527303,0.829463,0.000000,-0.273015,0.781396,0.561144,0.000000,-1743163.274819,4989114.530850,3558846.895171,1],    "boundingVolume": {    "region": [1.906883,0.595710,1.906978,0.595825,0.000000,8.807265]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1297754.b3dm"}}}