{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.891057,-0.453891,0.000000,0.000000,0.292112,-0.573459,0.765386,0.000000,-0.346433,0.680100,0.646102,0.000000,-2212689.448774,4343846.177932,4099072.782001,1],    "boundingVolume": {    "region": [2.041876,0.702423,2.041971,0.702510,0.000000,15.822743]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1363424.b3dm"}}}