{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950551,-0.310570,0.000000,0.000000,0.173686,-0.531596,0.828999,0.000000,-0.256919,0.786344,0.561832,0.000000,-1640399.581530,5020717.097954,3563222.172900,1],    "boundingVolume": {    "region": [1.886540,0.596550,1.886638,0.596649,0.000000,11.201166]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1329221.b3dm"}}}