{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897652,-0.440704,0.000000,0.000000,0.283148,-0.576732,0.766295,0.000000,-0.336771,0.685954,0.645021,0.000000,-2150968.397950,4381216.441079,4092193.677588,1],    "boundingVolume": {    "region": [2.027116,0.701016,2.027243,0.701085,0.000000,16.121261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_815040.b3dm"}}}