{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950910,-0.309469,0.000000,0.000000,0.173081,-0.531829,0.828976,0.000000,-0.256001,0.786619,0.561866,0.000000,-1634538.645943,5022475.304342,3563436.286301,1],    "boundingVolume": {    "region": [1.885348,0.596555,1.885513,0.596725,0.000000,8.803589]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1386625.b3dm"}}}