{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949460,-0.313888,0.000000,0.000000,0.175429,-0.530644,0.829242,0.000000,-0.259741,0.785674,0.561472,0.000000,-1658413.745311,5016433.016864,3560932.014622,1],    "boundingVolume": {    "region": [1.890032,0.596123,1.890131,0.596205,0.000000,8.320421]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1358753.b3dm"}}}