{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950345,-0.311199,0.000000,0.000000,0.174053,-0.531524,0.828968,0.000000,-0.257430,0.786144,0.561878,0.000000,-1643663.314136,5019440.497542,3563514.721219,1],    "boundingVolume": {    "region": [1.887175,0.596562,1.887327,0.596748,0.000000,8.695765]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1328360.b3dm"}}}