{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895726,-0.444606,0.000000,0.000000,0.284148,-0.572458,0.769124,0.000000,-0.341017,0.687030,0.641637,0.000000,-2178055.753567,4388020.577412,4070663.904489,1],    "boundingVolume": {    "region": [2.031470,0.696571,2.031592,0.696689,0.000000,24.370976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_663277.b3dm"}}}