{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950535,-0.310616,0.000000,0.000000,0.173713,-0.531588,0.828998,0.000000,-0.256957,0.786331,0.561833,0.000000,-1640643.976097,5020632.646722,3563228.603351,1],    "boundingVolume": {    "region": [1.886589,0.596551,1.886687,0.596650,0.000000,14.295793]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1392361.b3dm"}}}