{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949662,-0.313278,0.000000,0.000000,0.174823,-0.529953,0.829811,0.000000,-0.259416,0.786386,0.560626,0.000000,-1656331.138700,5020960.539963,3555552.502884,1],    "boundingVolume": {    "region": [1.889358,0.595008,1.889520,0.595274,0.000000,8.811738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1357135.b3dm"}}}