{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892938,-0.450179,0.000000,0.000000,0.290367,-0.575949,0.764179,0.000000,-0.343054,0.680453,0.647532,0.000000,-2191119.626752,4346129.133224,4108168.100095,1],    "boundingVolume": {    "region": [2.037710,0.704307,2.037814,0.704375,0.000000,8.370501]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/10_1968003.b3dm"}}}