{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950146,-0.311806,0.000000,0.000000,0.174301,-0.531136,0.829164,0.000000,-0.257994,0.786167,0.561587,0.000000,-1647262.253592,5019585.320217,3561660.914220,1],    "boundingVolume": {    "region": [1.887821,0.596198,1.887959,0.596407,0.000000,8.780362]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1432988.b3dm"}}}