{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950689,-0.310146,0.000000,0.000000,0.173530,-0.531921,0.828823,0.000000,-0.256514,0.786290,0.562093,0.000000,-1637811.544690,5020379.752506,3564876.467836,1],    "boundingVolume": {    "region": [1.886060,0.596829,1.886225,0.596998,0.000000,8.758891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1396655.b3dm"}}}