{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898152,-0.439686,0.000000,0.000000,0.281166,-0.574341,0.768816,0.000000,-0.337107,0.688612,0.642007,0.000000,-2153085.415057,4398134.017725,4073016.976103,1],    "boundingVolume": {    "region": [2.025999,0.697084,2.026092,0.697141,0.000000,37.047937]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/7_390152.b3dm"}}}