{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898815,-0.438328,0.000000,0.000000,0.283051,-0.580411,0.763548,0.000000,-0.333745,0.684361,0.648277,0.000000,-2131672.482357,4371104.125623,4112912.240418,1],    "boundingVolume": {    "region": [2.024452,0.705260,2.024617,0.705379,0.000000,8.550842]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1843358.b3dm"}}}