{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857950,-0.513733,0.000000,0.000000,0.263215,-0.439578,0.858771,0.000000,-0.440398,0.735479,0.514899,0.000000,-2811413.734807,4695153.232068,3265007.754506,1],    "boundingVolume": {    "region": [2.110244,0.540827,2.110408,0.540952,0.000000,81.336300]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_449154.b3dm"}}}