{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950164,-0.311750,0.000000,0.000000,0.174105,-0.530646,0.829519,0.000000,-0.258059,0.786522,0.561060,0.000000,-1647670.534516,5021841.507090,3558312.597762,1],    "boundingVolume": {    "region": [1.887781,0.595607,1.887880,0.595724,0.000000,8.780022]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1353845.b3dm"}}}