{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858841,-0.512242,0.000000,0.000000,0.262063,-0.439383,0.859224,0.000000,-0.439354,0.736635,0.514138,0.000000,-2804740.119786,4702518.712235,3260176.343044,1],    "boundingVolume": {    "region": [2.108507,0.539940,2.108672,0.540065,0.000000,20.809833]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/4_219669.b3dm"}}}