{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896996,-0.442039,0.000000,0.000000,0.287268,-0.582932,0.760044,0.000000,-0.335014,0.679818,0.652391,0.000000,-2139814.328635,4342161.117213,4139082.264258,1],    "boundingVolume": {    "region": [2.028577,0.710682,2.028757,0.710787,0.000000,13.783485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/4/20_1780909.b3dm"}}}