{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898092,-0.439808,0.000000,0.000000,0.284319,-0.580580,0.762948,0.000000,-0.334607,0.683269,0.648985,0.000000,-2137182.347657,4364139.407382,4117416.055420,1],    "boundingVolume": {    "region": [2.026116,0.706139,2.026248,0.706361,0.000000,15.709792]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1821250.b3dm"}}}