{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858212,-0.513295,0.000000,0.000000,0.262554,-0.438981,0.859280,0.000000,-0.440286,0.736143,0.514045,0.000000,-2810691.722064,4699377.306710,3259584.352477,1],    "boundingVolume": {    "region": [2.109735,0.539831,2.109899,0.539956,0.000000,83.499081]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3_323898.b3dm"}}}