{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.891161,-0.453688,0.000000,0.000000,0.292033,-0.573628,0.765289,0.000000,-0.346234,0.680093,0.646217,0.000000,-2211420.551471,4343800.645342,4099800.819044,1],    "boundingVolume": {    "region": [2.041648,0.702573,2.041744,0.702660,0.000000,8.538198]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/8_2045463.b3dm"}}}