{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898717,-0.438529,0.000000,0.000000,0.283098,-0.580178,0.763707,0.000000,-0.333968,0.684430,0.648090,0.000000,-2133092.688948,4371541.640902,4111718.784378,1],    "boundingVolume": {    "region": [2.024675,0.705014,2.024840,0.705133,0.000000,6.144540]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_1843957.b3dm"}}}