{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897476,-0.441064,0.000000,0.000000,0.281709,-0.573221,0.769453,0.000000,-0.338445,0.688668,0.641241,0.000000,-2161628.108586,4398479.634870,4068148.824034,1],    "boundingVolume": {    "region": [2.027508,0.696061,2.027651,0.696169,0.000000,7.356888]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/0_938404.b3dm"}}}