{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897670,-0.440668,0.000000,0.000000,0.285453,-0.581487,0.761833,0.000000,-0.334767,0.681943,0.650296,0.000000,-2138217.673776,4355692.989480,4125757.684438,1],    "boundingVolume": {    "region": [2.027063,0.707861,2.027215,0.708088,0.000000,14.978487]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_1796219.b3dm"}}}