{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949975,-0.312327,0.000000,0.000000,0.174678,-0.531301,0.828979,0.000000,-0.258366,0.785849,0.561861,0.000000,-1649640.048327,5017556.824472,3563406.458872,1],    "boundingVolume": {    "region": [1.888368,0.596530,1.888507,0.596739,0.000000,8.760017]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/4_1406063.b3dm"}}}