{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949743,-0.313032,0.000000,0.000000,0.114139,-0.346299,0.931155,0.000000,-0.291219,0.883563,0.366752,0.000000,-1858273.246827,5638026.964814,2324582.962826,1],    "boundingVolume": {    "region": [1.889096,0.375391,1.889264,0.375640,0.000000,32.506790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/1_32126.b3dm"}}}