{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949271,-0.314459,0.000000,0.000000,0.175744,-0.530525,0.829251,0.000000,-0.260216,0.785527,0.561458,0.000000,-1661450.030362,5015492.796396,3560841.658768,1],    "boundingVolume": {    "region": [1.890614,0.596093,1.890752,0.596200,0.000000,8.725475]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/10_1445144.b3dm"}}}