{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897951,-0.440096,0.000000,0.000000,0.282470,-0.576338,0.766841,0.000000,-0.336548,0.686675,0.644371,0.000000,-2149536.378379,4385805.818837,4088055.827380,1],    "boundingVolume": {    "region": [2.026439,0.700165,2.026566,0.700234,0.000000,16.563189]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883638.b3dm"}}}