{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897925,-0.440149,0.000000,0.000000,0.282558,-0.576432,0.766738,0.000000,-0.336543,0.686562,0.644493,0.000000,-2149506.432357,4385089.435622,4088834.746523,1],    "boundingVolume": {    "region": [2.026498,0.700325,2.026625,0.700394,0.000000,33.682253]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_852315.b3dm"}}}