{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948833,-0.315779,0.000000,0.000000,0.175887,-0.528494,0.830517,0.000000,-0.261711,0.786373,0.559575,0.000000,-1670982.745468,5020862.584832,3548873.979682,1],    "boundingVolume": {    "region": [1.892026,0.593761,1.892122,0.593984,0.000000,8.339088]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1234276.b3dm"}}}