{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950449,-0.310880,0.000000,0.000000,0.173581,-0.530686,0.829603,0.000000,-0.257365,0.786839,0.560935,0.000000,-1643238.997358,5023860.209863,3557517.557677,1],    "boundingVolume": {    "region": [1.886865,0.595456,1.886964,0.595573,0.000000,8.810345]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/10_1451593.b3dm"}}}