{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858209,-0.513300,0.000000,0.000000,0.263004,-0.439729,0.858759,0.000000,-0.440021,0.735690,0.514919,0.000000,-2809006.557066,4696502.391607,3265138.342957,1],    "boundingVolume": {    "region": [2.109740,0.540851,2.109904,0.540976,0.000000,103.713566]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/11_453849.b3dm"}}}