{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950687,-0.310152,0.000000,0.000000,0.173528,-0.531904,0.828834,0.000000,-0.256522,0.786299,0.562077,0.000000,-1637864.175199,5020435.224262,3564774.850054,1],    "boundingVolume": {    "region": [1.886066,0.596810,1.886232,0.596979,0.000000,8.758891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1396546.b3dm"}}}