{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950900,-0.309497,0.000000,0.000000,0.173099,-0.531830,0.828971,0.000000,-0.256023,0.786607,0.561873,0.000000,-1634680.177248,5022398.187798,3563479.761059,1],    "boundingVolume": {    "region": [1.885378,0.596564,1.885543,0.596733,0.000000,8.681240]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1324322.b3dm"}}}