{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950748,-0.309965,0.000000,0.000000,0.173087,-0.530904,0.829567,0.000000,-0.256596,0.787051,0.560989,0.000000,-1638332.946415,5025217.768826,3557860.602390,1],    "boundingVolume": {    "region": [1.885895,0.595523,1.886010,0.595637,0.000000,8.812964]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/11_1448985.b3dm"}}}