{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898806,-0.438346,0.000000,0.000000,0.283067,-0.580415,0.763539,0.000000,-0.333754,0.684347,0.648288,0.000000,-2131732.407219,4371010.265436,4112980.472510,1],    "boundingVolume": {    "region": [2.024471,0.705274,2.024637,0.705394,0.000000,8.663025]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1843440.b3dm"}}}