{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949306,-0.314354,0.000000,0.000000,0.175464,-0.529877,0.829725,0.000000,-0.260279,0.786008,0.560755,0.000000,-1661846.985110,5018553.315210,3556371.626378,1],    "boundingVolume": {    "region": [1.890503,0.595244,1.890641,0.595350,0.000000,8.762143]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/2_1368462.b3dm"}}}