{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949157,-0.314804,0.000000,0.000000,0.176057,-0.530823,0.828994,0.000000,-0.260420,0.785186,0.561840,0.000000,-1662754.292307,5013324.347691,3563269.299818,1],    "boundingVolume": {    "region": [1.890996,0.596597,1.891097,0.596619,0.000000,10.701835]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/9_1419996.b3dm"}}}