{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858215,-0.513291,0.000000,0.000000,0.262981,-0.439700,0.858781,0.000000,-0.440024,0.735714,0.514882,0.000000,-2809027.963190,4696653.759692,3264903.771559,1],    "boundingVolume": {    "region": [2.109729,0.540808,2.109893,0.540933,0.000000,103.713566]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/11_446423.b3dm"}}}