{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894760,-0.446547,0.000000,0.000000,0.284650,-0.570362,0.770494,0.000000,-0.343120,0.687521,0.639987,0.000000,-2191475.214125,4391125.337132,4060170.654361,1],    "boundingVolume": {    "region": [2.033632,0.694419,2.033766,0.694544,0.000000,32.352554]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_983830.b3dm"}}}