{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950824,-0.309732,0.000000,0.000000,0.173317,-0.532054,0.828782,0.000000,-0.256158,0.786363,0.562154,0.000000,-1635543.964918,5020842.528206,3565263.161396,1],    "boundingVolume": {    "region": [1.885625,0.596903,1.885790,0.597072,0.000000,8.758258]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4_1388465.b3dm"}}}