{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897874,-0.440253,0.000000,0.000000,0.285172,-0.581592,0.761858,0.000000,-0.334463,0.682120,0.650267,0.000000,-2136276.498897,4356822.435343,4125571.963354,1],    "boundingVolume": {    "region": [2.026601,0.707822,2.026753,0.708050,0.000000,15.795172]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/1_1794078.b3dm"}}}