{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948816,-0.315828,0.000000,0.000000,0.176358,-0.529819,0.829572,0.000000,-0.261452,0.785457,0.560981,0.000000,-1669334.367432,5015038.897321,3557812.595368,1],    "boundingVolume": {    "region": [1.892078,0.595459,1.892174,0.595682,0.000000,8.800682]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/15_1181758.b3dm"}}}