{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950200,-0.311640,0.000000,0.000000,0.174398,-0.531744,0.828754,0.000000,-0.257728,0.785820,0.562195,0.000000,-1645566.688405,5017379.743610,3565524.280914,1],    "boundingVolume": {    "region": [1.887639,0.596945,1.887791,0.597130,0.000000,8.814296]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1401141.b3dm"}}}