{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949866,-0.312659,0.000000,0.000000,0.174742,-0.530871,0.829241,0.000000,-0.258724,0.786009,0.561473,0.000000,-1651918.107176,5018572.945921,3560935.991958,1],    "boundingVolume": {    "region": [1.888701,0.596062,1.888873,0.596267,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1435340.b3dm"}}}