{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950682,-0.310169,0.000000,0.000000,0.173540,-0.531908,0.828829,0.000000,-0.256534,0.786290,0.562083,0.000000,-1637944.508546,5020378.420846,3564817.649043,1],    "boundingVolume": {    "region": [1.886084,0.596818,1.886249,0.596987,0.000000,8.745057]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1326961.b3dm"}}}