{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852878,-0.522110,0.000000,0.000000,0.269429,-0.440118,0.856565,0.000000,-0.446418,0.729234,0.518583,0.000000,-2849882.743902,4655346.638809,3288414.347803,1],    "boundingVolume": {    "region": [2.120073,0.545151,2.120165,0.545235,0.000000,125.853833]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/2_21517.b3dm"}}}