{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950102,-0.311940,0.000000,0.000000,0.174378,-0.531119,0.829159,0.000000,-0.258103,0.786126,0.561595,0.000000,-1647954.417349,5019320.363163,3561713.770043,1],    "boundingVolume": {    "region": [1.887961,0.596208,1.888099,0.596417,0.000000,8.690723]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1346772.b3dm"}}}