{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950300,-0.311336,0.000000,0.000000,0.174056,-0.531275,0.829127,0.000000,-0.257593,0.786259,0.561643,0.000000,-1644703.721131,5020171.108215,3562015.284576,1],    "boundingVolume": {    "region": [1.887319,0.596277,1.887471,0.596462,0.000000,8.806967]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1397479.b3dm"}}}