{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950214,-0.311598,0.000000,0.000000,0.174240,-0.531341,0.829046,0.000000,-0.257785,0.786111,0.561763,0.000000,-1645924.576774,5019225.621016,3562778.547221,1],    "boundingVolume": {    "region": [1.887595,0.596422,1.887747,0.596607,0.000000,8.777635]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1398329.b3dm"}}}