{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949200,-0.314674,0.000000,0.000000,0.116556,-0.351585,0.928872,0.000000,-0.292021,0.880868,0.372552,0.000000,-1863415.448787,5620910.208424,2361377.301163,1],    "boundingVolume": {    "region": [1.890840,0.381707,1.890979,0.381807,0.000000,19.488317]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/18_68335.b3dm"}}}