{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858191,-0.513330,0.000000,0.000000,0.262641,-0.439087,0.859199,0.000000,-0.440274,0.736055,0.514181,0.000000,-2810613.475583,4698820.393766,3260448.741120,1],    "boundingVolume": {    "region": [2.109774,0.539990,2.109939,0.540115,0.000000,96.260641]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_348806.b3dm"}}}