{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950673,-0.310195,0.000000,0.000000,0.173511,-0.531770,0.828924,0.000000,-0.256586,0.786373,0.561944,0.000000,-1638271.344602,5020905.404721,3563931.127700,1],    "boundingVolume": {    "region": [1.886112,0.596650,1.886277,0.596819,0.000000,8.576281]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1394977.b3dm"}}}