{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852824,-0.522199,0.000000,0.000000,0.269481,-0.440100,0.856558,0.000000,-0.446490,0.729181,0.518595,0.000000,-2850343.092898,4655010.627786,3288490.510303,1],    "boundingVolume": {    "region": [2.120134,0.545122,2.120313,0.545292,0.000000,105.786100]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/1/0/1_21552.b3dm"}}}