{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896438,-0.443169,0.000000,0.000000,0.283597,-0.573658,0.768433,0.000000,-0.339606,0.686953,0.642466,0.000000,-2169055.281716,4387545.691010,4075942.620807,1],    "boundingVolume": {    "region": [2.029843,0.697638,2.030011,0.697787,0.000000,58.366427]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/2_520013.b3dm"}}}