{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949286,-0.314414,0.000000,0.000000,0.175680,-0.530417,0.829333,0.000000,-0.260205,0.785618,0.561336,0.000000,-1661376.737956,5016071.303920,3560066.114677,1],    "boundingVolume": {    "region": [1.890567,0.595946,1.890704,0.596052,0.000000,8.723768]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_1360724.b3dm"}}}