{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858204,-0.513309,0.000000,0.000000,0.262565,-0.438984,0.859274,0.000000,-0.440295,0.736131,0.514054,0.000000,-2810748.724488,4699303.771416,3259640.834256,1],    "boundingVolume": {    "region": [2.109750,0.539842,2.109915,0.539967,0.000000,83.499081]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3_325557.b3dm"}}}