{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944279,-0.329146,0.000000,0.000000,0.184016,-0.527918,0.829120,0.000000,-0.272327,0.781271,0.561652,0.000000,-1738773.533185,4988325.243514,3562077.491033,1],    "boundingVolume": {    "region": [1.906138,0.596344,1.906253,0.596419,0.000000,8.739720]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_191847.b3dm"}}}