{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858268,-0.513202,0.000000,0.000000,0.262483,-0.438971,0.859306,0.000000,-0.440220,0.736213,0.514000,0.000000,-2810268.630412,4699827.687555,3259301.693426,1],    "boundingVolume": {    "region": [2.109626,0.539779,2.109790,0.539904,0.000000,12.437633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/2_315180.b3dm"}}}