{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897910,-0.440179,0.000000,0.000000,0.282578,-0.576424,0.766737,0.000000,-0.336565,0.686550,0.644495,0.000000,-2149647.088977,4385010.671744,4088845.200167,1],    "boundingVolume": {    "region": [2.026531,0.700328,2.026658,0.700397,0.000000,33.682253]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_852337.b3dm"}}}