{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950226,-0.311562,0.000000,0.000000,0.173868,-0.530276,0.829806,0.000000,-0.257993,0.786848,0.560634,0.000000,-1647251.782416,5023910.080063,3555603.718623,1],    "boundingVolume": {    "region": [1.887583,0.595093,1.887683,0.595209,0.000000,8.764896]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1453707.b3dm"}}}