{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944398,-0.328804,0.000000,0.000000,0.183838,-0.528025,0.829092,0.000000,-0.272034,0.781343,0.561694,0.000000,-1736904.871691,4988784.574778,3562344.076581,1],    "boundingVolume": {    "region": [1.905775,0.596395,1.905890,0.596470,0.000000,8.730354]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_131253.b3dm"}}}