{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897993,-0.440009,0.000000,0.000000,0.282432,-0.576401,0.766808,0.000000,-0.336466,0.686678,0.644410,0.000000,-2149015.536822,4385825.483987,4088306.860271,1],    "boundingVolume": {    "region": [2.026341,0.700217,2.026468,0.700286,0.000000,8.226947]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/2_883978.b3dm"}}}