{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897971,-0.440054,0.000000,0.000000,0.284659,-0.580873,0.762598,0.000000,-0.334639,0.682862,0.649397,0.000000,-2137393.640032,4361545.484585,4120036.415908,1],    "boundingVolume": {    "region": [2.026390,0.706680,2.026522,0.706903,0.000000,14.409310]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/15_1823622.b3dm"}}}