{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858160,-0.513382,0.000000,0.000000,0.262687,-0.439104,0.859176,0.000000,-0.440306,0.736009,0.514219,0.000000,-2810824.050514,4698524.993196,3260691.273599,1],    "boundingVolume": {    "region": [2.109835,0.540034,2.110000,0.540160,0.000000,108.761311]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_130419.b3dm"}}}