{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896346,-0.443355,0.000000,0.000000,0.283660,-0.573486,0.768538,0.000000,-0.339795,0.686977,0.642341,0.000000,-2170261.529526,4387695.870875,4075144.163676,1],    "boundingVolume": {    "region": [2.030068,0.697489,2.030201,0.697608,0.000000,58.000399]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_950727.b3dm"}}}