{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898009,-0.439977,0.000000,0.000000,0.284413,-0.580498,0.762975,0.000000,-0.334747,0.683231,0.648953,0.000000,-2138076.707905,4363896.974327,4117210.068471,1],    "boundingVolume": {    "region": [2.026303,0.706096,2.026435,0.706319,0.000000,11.388064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820925.b3dm"}}}