{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950068,-0.312044,0.000000,0.000000,0.174607,-0.531621,0.828789,0.000000,-0.258072,0.785744,0.562143,0.000000,-1647765.363114,5016892.843919,3565196.191414,1],    "boundingVolume": {    "region": [1.888070,0.596870,1.888209,0.597079,0.000000,8.770919]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1401007.b3dm"}}}