{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896543,-0.442957,0.000000,0.000000,0.283369,-0.573537,0.768607,0.000000,-0.339522,0.687190,0.642258,0.000000,-2168513.291384,4389055.489027,4074614.244546,1],    "boundingVolume": {    "region": [2.029607,0.697366,2.029775,0.697515,0.000000,61.014776]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_919677.b3dm"}}}