{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948693,-0.316198,0.000000,0.000000,0.176462,-0.529441,0.829791,0.000000,-0.261827,0.785564,0.560656,0.000000,-1671730.743379,5015716.675510,3555745.280408,1],    "boundingVolume": {    "region": [1.892468,0.595066,1.892563,0.595289,0.000000,8.781243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/13_1073971.b3dm"}}}