{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897646,-0.440717,0.000000,0.000000,0.285472,-0.581444,0.761859,0.000000,-0.334816,0.681947,0.650266,0.000000,-2138528.688694,4355722.418722,4125566.699143,1],    "boundingVolume": {    "region": [2.027118,0.707821,2.027270,0.708049,0.000000,14.978487]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_1796126.b3dm"}}}