{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949541,-0.313643,0.000000,0.000000,0.174962,-0.529691,0.829950,0.000000,-0.259761,0.786418,0.560420,0.000000,-1658538.616584,5021163.664972,3554245.198900,1],    "boundingVolume": {    "region": [1.889742,0.594760,1.889904,0.595026,0.000000,8.803873]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1372680.b3dm"}}}