{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896377,-0.443292,0.000000,0.000000,0.283683,-0.573635,0.768418,0.000000,-0.339694,0.686893,0.642484,0.000000,-2169614.671068,4387165.709162,4076053.164531,1],    "boundingVolume": {    "region": [2.029997,0.697676,2.030130,0.697795,0.000000,52.050928]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/0/1_531119.b3dm"}}}