{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950370,-0.311121,0.000000,0.000000,0.173954,-0.531372,0.829086,0.000000,-0.257403,0.786278,0.561703,0.000000,-1643485.424674,5020295.111444,3562400.222285,1],    "boundingVolume": {    "region": [1.887093,0.596350,1.887245,0.596536,0.000000,8.765474]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1397954.b3dm"}}}