{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897930,-0.440138,0.000000,0.000000,0.282495,-0.576322,0.766843,0.000000,-0.336580,0.686662,0.644367,0.000000,-2149745.727336,4385721.811899,4088036.002670,1],    "boundingVolume": {    "region": [2.026485,0.700161,2.026612,0.700230,0.000000,16.563189]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883602.b3dm"}}}