{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950342,-0.311207,0.000000,0.000000,0.173931,-0.531140,0.829240,0.000000,-0.257522,0.786402,0.561475,0.000000,-1644244.424590,5021082.110316,3560950.296236,1],    "boundingVolume": {    "region": [1.887183,0.596075,1.887335,0.596260,0.000000,8.819076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1431790.b3dm"}}}