{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950373,-0.311111,0.000000,0.000000,0.173944,-0.531358,0.829097,0.000000,-0.257398,0.786292,0.561686,0.000000,-1643456.442408,5020380.952529,3562293.339466,1],    "boundingVolume": {    "region": [1.887083,0.596330,1.887234,0.596515,0.000000,8.569270]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1331121.b3dm"}}}