{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949161,-0.314792,0.000000,0.000000,0.175649,-0.529616,0.829852,0.000000,-0.260682,0.786010,0.560565,0.000000,-1664419.125940,5018558.794206,3555168.936842,1],    "boundingVolume": {    "region": [1.891006,0.595049,1.891061,0.595088,0.000000,8.126791]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/29.b3dm"}}}