{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895926,-0.444204,0.000000,0.000000,0.283882,-0.572568,0.769140,0.000000,-0.340716,0.687197,0.641618,0.000000,-2176131.201140,4389089.437221,4070541.694860,1],    "boundingVolume": {    "region": [2.031028,0.696552,2.031136,0.696659,0.000000,40.258738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_946068.b3dm"}}}