{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949090,-0.315005,0.000000,0.000000,0.175901,-0.529978,0.829567,0.000000,-0.260769,0.785679,0.560988,0.000000,-1664974.119281,5016456.368680,3557857.133595,1],    "boundingVolume": {    "region": [1.891190,0.595526,1.891327,0.595632,0.000000,8.654143]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/5_1374507.b3dm"}}}