{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898051,-0.439892,0.000000,0.000000,0.281288,-0.574256,0.768835,0.000000,-0.337273,0.688551,0.641984,0.000000,-2154145.792208,4397745.879264,4072876.346979,1],    "boundingVolume": {    "region": [2.026228,0.697055,2.026321,0.697112,0.000000,55.154001]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_752728.b3dm"}}}