{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950324,-0.311261,0.000000,0.000000,0.174090,-0.531522,0.828962,0.000000,-0.257480,0.786121,0.561887,0.000000,-1643978.554429,5019296.312353,3563572.008064,1],    "boundingVolume": {    "region": [1.887240,0.596573,1.887392,0.596758,0.000000,8.722073]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4_1399749.b3dm"}}}