{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949684,-0.313208,0.000000,0.000000,0.174758,-0.529886,0.829868,0.000000,-0.259376,0.786459,0.560542,0.000000,-1656077.468689,5021424.262957,3555019.342379,1],    "boundingVolume": {    "region": [1.889285,0.594907,1.889447,0.595173,0.000000,8.811738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1357487.b3dm"}}}