{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858222,-0.513279,0.000000,0.000000,0.262653,-0.439167,0.859154,0.000000,-0.440207,0.736043,0.514256,0.000000,-2810187.179700,4698742.606641,3260925.051704,1],    "boundingVolume": {    "region": [2.109715,0.540077,2.109879,0.540202,0.000000,108.761311]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_128695.b3dm"}}}