{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949083,-0.315025,0.000000,0.000000,0.175911,-0.529973,0.829569,0.000000,-0.260786,0.785675,0.560986,0.000000,-1665081.233450,5016429.448666,3557845.043308,1],    "boundingVolume": {    "region": [1.891211,0.595524,1.891348,0.595630,0.000000,8.654143]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/5_1374512.b3dm"}}}