{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949319,-0.314314,0.000000,0.000000,0.175530,-0.530150,0.829536,0.000000,-0.260187,0.785839,0.561035,0.000000,-1661259.721101,5017477.676825,3558151.274877,1],    "boundingVolume": {    "region": [1.890462,0.595582,1.890599,0.595688,0.000000,8.789943]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/5_1366258.b3dm"}}}