{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898062,-0.439868,0.000000,0.000000,0.284390,-0.580628,0.762885,0.000000,-0.334624,0.683190,0.649059,0.000000,-2137295.859585,4363635.885056,4117887.592893,1],    "boundingVolume": {    "region": [2.026182,0.706236,2.026314,0.706459,0.000000,8.142498]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1821442.b3dm"}}}