{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858225,-0.513274,0.000000,0.000000,0.262980,-0.439718,0.858772,0.000000,-0.440005,0.735714,0.514898,0.000000,-2808906.660752,4696656.944957,3265002.882819,1],    "boundingVolume": {    "region": [2.109710,0.540826,2.109874,0.540951,0.000000,103.713566]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/11_449146.b3dm"}}}