{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897936,-0.440126,0.000000,0.000000,0.282491,-0.576332,0.766838,0.000000,-0.336569,0.686661,0.644374,0.000000,-2149673.797371,4385716.081313,4088079.680598,1],    "boundingVolume": {    "region": [2.026472,0.700170,2.026599,0.700239,0.000000,16.563189]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883680.b3dm"}}}