{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858339,-0.513083,0.000000,0.000000,0.262792,-0.439627,0.858876,0.000000,-0.439895,0.735903,0.514723,0.000000,-2808203.545886,4697855.965052,3263890.019035,1],    "boundingVolume": {    "region": [2.109487,0.540622,2.109651,0.540747,0.000000,6.423166]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/10_274600.b3dm"}}}