{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897922,-0.440155,0.000000,0.000000,0.282558,-0.576422,0.766745,0.000000,-0.336550,0.686567,0.644484,0.000000,-2149554.950362,4385117.177854,4088779.857425,1],    "boundingVolume": {    "region": [2.026504,0.700314,2.026631,0.700383,0.000000,17.014377]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_852149.b3dm"}}}