{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897942,-0.440113,0.000000,0.000000,0.282485,-0.576342,0.766833,0.000000,-0.336557,0.686662,0.644380,0.000000,-2149594.305639,4385721.213177,4088115.731098,1],    "boundingVolume": {    "region": [2.026457,0.700178,2.026584,0.700247,0.000000,16.563189]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_883747.b3dm"}}}