{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950198,-0.311647,0.000000,0.000000,0.174227,-0.531211,0.829132,0.000000,-0.257852,0.786179,0.561635,0.000000,-1646356.041837,5019663.197136,3561968.081101,1],    "boundingVolume": {    "region": [1.887653,0.596256,1.887791,0.596465,0.000000,8.750392]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1397412.b3dm"}}}