{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949210,-0.314644,0.000000,0.000000,0.116547,-0.351594,0.928870,0.000000,-0.291993,0.880875,0.372558,0.000000,-1863235.908639,5620953.381140,2361415.946031,1],    "boundingVolume": {    "region": [1.890809,0.381714,1.890948,0.381814,0.000000,29.734073]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/18_68382.b3dm"}}}