{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950680,-0.310172,0.000000,0.000000,0.173539,-0.531897,0.828836,0.000000,-0.256539,0.786296,0.562073,0.000000,-1637976.033393,5020413.674357,3564753.944642,1],    "boundingVolume": {    "region": [1.886088,0.596806,1.886253,0.596975,0.000000,8.758891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1396488.b3dm"}}}