{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950404,-0.311018,0.000000,0.000000,0.173946,-0.531542,0.828979,0.000000,-0.257284,0.786203,0.561863,0.000000,-1642726.604260,5019819.521256,3563413.435119,1],    "boundingVolume": {    "region": [1.887011,0.596586,1.887109,0.596685,0.000000,8.811629]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/6_1393479.b3dm"}}}