{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858241,-0.513247,0.000000,0.000000,0.262475,-0.438905,0.859343,0.000000,-0.440277,0.736222,0.513939,0.000000,-2810631.954566,4699883.554254,3258910.458378,1],    "boundingVolume": {    "region": [2.109678,0.539708,2.109842,0.539833,0.000000,52.491300]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_304056.b3dm"}}}