{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950015,-0.312203,0.000000,0.000000,0.174506,-0.531012,0.829201,0.000000,-0.258334,0.786095,0.561532,0.000000,-1649429.535877,5019120.805034,3561314.834613,1],    "boundingVolume": {    "region": [1.888222,0.596134,1.888393,0.596339,0.000000,13.518449]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1438208.b3dm"}}}