{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858209,-0.513300,0.000000,0.000000,0.262641,-0.439122,0.859181,0.000000,-0.440239,0.736055,0.514211,0.000000,-2810390.003443,4698820.459000,3260639.985208,1],    "boundingVolume": {    "region": [2.109739,0.540025,2.109904,0.540150,0.000000,96.260641]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_129199.b3dm"}}}