{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950152,-0.311786,0.000000,0.000000,0.174124,-0.530634,0.829523,0.000000,-0.258090,0.786516,0.561054,0.000000,-1647868.262042,5021802.785072,3558275.929927,1],    "boundingVolume": {    "region": [1.887818,0.595600,1.887918,0.595717,0.000000,8.742253]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1428324.b3dm"}}}