{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943992,-0.329968,0.000000,0.000000,0.184130,-0.526768,0.829826,0.000000,-0.273242,0.781705,0.560604,0.000000,-1744608.524640,4991074.829090,3555411.521647,1],    "boundingVolume": {    "region": [1.907019,0.595057,1.907114,0.595172,0.000000,8.579476]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/1_1276805.b3dm"}}}