{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949390,-0.314101,0.000000,0.000000,0.175520,-0.530521,0.829301,0.000000,-0.259936,0.785673,0.561384,0.000000,-1659658.631087,5016423.131291,3560369.694312,1],    "boundingVolume": {    "region": [1.890256,0.596016,1.890355,0.596098,0.000000,10.747783]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1359793.b3dm"}}}