{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894760,-0.446548,0.000000,0.000000,0.284553,-0.570165,0.770676,0.000000,-0.343203,0.687684,0.639768,0.000000,-2191999.052688,4392164.205198,4058773.372163,1],    "boundingVolume": {    "region": [2.033633,0.694134,2.033767,0.694258,0.000000,44.410574]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_983789.b3dm"}}}