{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858187,-0.513337,0.000000,0.000000,0.262685,-0.439151,0.859152,0.000000,-0.440256,0.736011,0.514259,0.000000,-2810503.835953,4698541.391066,3260941.965499,1],    "boundingVolume": {    "region": [2.109783,0.540080,2.109948,0.540206,0.000000,108.761311]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_129812.b3dm"}}}