{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858170,-0.513365,0.000000,0.000000,0.262938,-0.439541,0.858876,0.000000,-0.440137,0.735757,0.514724,0.000000,-2809744.468184,4696929.018719,3263897.876894,1],    "boundingVolume": {    "region": [2.109816,0.540623,2.109980,0.540748,0.000000,72.442900]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_420640.b3dm"}}}