{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894744,-0.446579,0.000000,0.000000,0.284564,-0.570139,0.770691,0.000000,-0.343233,0.687686,0.639749,0.000000,-2192194.842000,4392176.431903,4058655.192308,1],    "boundingVolume": {    "region": [2.033668,0.694109,2.033801,0.694234,0.000000,88.955427]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1167420.b3dm"}}}