{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858175,-0.513358,0.000000,0.000000,0.262978,-0.439617,0.858824,0.000000,-0.440104,0.735717,0.514810,0.000000,-2809536.714814,4696671.421581,3264443.677868,1],    "boundingVolume": {    "region": [2.109807,0.540723,2.109972,0.540848,0.000000,77.369233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_438711.b3dm"}}}