{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896639,-0.442763,0.000000,0.000000,0.282849,-0.572796,0.769351,0.000000,-0.339704,0.687934,0.641364,0.000000,-2169669.594948,4393792.030780,4068928.204164,1],    "boundingVolume": {    "region": [2.029383,0.696218,2.029566,0.696331,0.000000,39.799105]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/7_488897.b3dm"}}}