{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896349,-0.443349,0.000000,0.000000,0.283737,-0.573650,0.768387,0.000000,-0.339724,0.686844,0.642521,0.000000,-2169808.137670,4386848.350316,4076290.146353,1],    "boundingVolume": {    "region": [2.030062,0.697724,2.030194,0.697843,0.000000,31.847029]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_533874.b3dm"}}}