{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950618,-0.310363,0.000000,0.000000,0.173686,-0.531987,0.828748,0.000000,-0.256669,0.786160,0.562204,0.000000,-1638807.806212,5019548.954073,3565583.687455,1],    "boundingVolume": {    "region": [1.886288,0.596964,1.886453,0.597133,0.000000,6.348195]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/5_1326447.b3dm"}}}