{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950354,-0.311169,0.000000,0.000000,0.173906,-0.531135,0.829248,0.000000,-0.257493,0.786420,0.561462,0.000000,-1644063.347145,5021198.617059,3560870.161001,1],    "boundingVolume": {    "region": [1.887144,0.596059,1.887295,0.596245,0.000000,8.819076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1431630.b3dm"}}}