{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950471,-0.310813,0.000000,0.000000,0.173425,-0.530336,0.829860,0.000000,-0.257390,0.787102,0.560554,0.000000,-1643396.044777,5025534.659752,3555095.485438,1],    "boundingVolume": {    "region": [1.886753,0.594981,1.886936,0.595127,0.000000,8.789362]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/14_1449535.b3dm"}}}