{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896909,-0.442216,0.000000,0.000000,0.282272,-0.572508,0.769777,0.000000,-0.339473,0.688525,0.640851,0.000000,-2168191.044568,4397558.146715,4065668.449586,1],    "boundingVolume": {    "region": [2.028773,0.695551,2.028955,0.695663,0.000000,31.543337]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_450908.b3dm"}}}