{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950042,-0.312122,0.000000,0.000000,0.174275,-0.530460,0.829603,0.000000,-0.258393,0.786501,0.560936,0.000000,-1649805.136734,5021702.492033,3557524.943275,1],    "boundingVolume": {    "region": [1.888140,0.595450,1.888304,0.595582,0.000000,8.776923]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1455369.b3dm"}}}