{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949488,-0.313803,0.000000,0.000000,0.175447,-0.530856,0.829102,0.000000,-0.259627,0.785563,0.561680,0.000000,-1657686.219628,5015730.848539,3562250.738063,1],    "boundingVolume": {    "region": [1.889943,0.596374,1.890042,0.596455,0.000000,10.479850]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1337886.b3dm"}}}