{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949553,-0.313607,0.000000,0.000000,0.114477,-0.346617,0.930995,0.000000,-0.291704,0.883234,0.367161,0.000000,-1861369.368541,5635928.363013,2327175.914575,1],    "boundingVolume": {    "region": [1.889702,0.375830,1.889870,0.376080,0.000000,35.088794]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_32506.b3dm"}}}