{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858267,-0.513203,0.000000,0.000000,0.262592,-0.439151,0.859181,0.000000,-0.440156,0.736105,0.514211,0.000000,-2809862.031749,4699136.643931,3260639.351807,1],    "boundingVolume": {    "region": [2.109627,0.540025,2.109791,0.540150,0.000000,95.756001]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_352714.b3dm"}}}