{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898028,-0.439939,0.000000,0.000000,0.284423,-0.580580,0.762909,0.000000,-0.334689,0.683185,0.649031,0.000000,-2137706.535006,4363606.556293,4117706.714659,1],    "boundingVolume": {    "region": [2.026261,0.706199,2.026393,0.706421,0.000000,7.980777]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1821387.b3dm"}}}