{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858271,-0.513197,0.000000,0.000000,0.262481,-0.438972,0.859306,0.000000,-0.440216,0.736216,0.514000,0.000000,-2810241.695276,4699845.751862,3259298.888202,1],    "boundingVolume": {    "region": [2.109620,0.539779,2.109784,0.539904,0.000000,12.437633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/2_314639.b3dm"}}}