{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950533,-0.310625,0.000000,0.000000,0.173770,-0.531749,0.828883,0.000000,-0.256928,0.786218,0.562004,0.000000,-1640458.347225,5019917.282741,3564314.469028,1],    "boundingVolume": {    "region": [1.886597,0.596758,1.886695,0.596856,0.000000,8.697709]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1327438.b3dm"}}}