{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950700,-0.310113,0.000000,0.000000,0.173435,-0.531690,0.828991,0.000000,-0.256539,0.786460,0.561844,0.000000,-1637974.444633,5021457.090352,3563294.563998,1],    "boundingVolume": {    "region": [1.886026,0.596528,1.886191,0.596698,0.000000,8.791633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/2_1392781.b3dm"}}}