{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949207,-0.314651,0.000000,0.000000,0.116464,-0.351337,0.928977,0.000000,-0.292033,0.880976,0.372287,0.000000,-1863492.649593,5621594.703681,2359697.658424,1],    "boundingVolume": {    "region": [1.890840,0.381438,1.890931,0.381507,0.000000,11.094415]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/15.b3dm"}}}