{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858217,-0.513286,0.000000,0.000000,0.262609,-0.439083,0.859210,0.000000,-0.440242,0.736087,0.514161,0.000000,-2810414.847311,4699026.183487,3260324.214084,1],    "boundingVolume": {    "region": [2.109724,0.539967,2.109888,0.540092,0.000000,96.260641]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_129091.b3dm"}}}