{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950541,-0.310598,0.000000,0.000000,0.173232,-0.530153,0.830017,0.000000,-0.257261,0.787311,0.560319,0.000000,-1642574.488674,5026864.670296,3553604.529617,1],    "boundingVolume": {    "region": [1.886527,0.594698,1.886710,0.594844,0.000000,8.780688]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1457984.b3dm"}}}