{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949725,-0.313085,0.000000,0.000000,0.174911,-0.530581,0.829391,0.000000,-0.259124,0.786037,0.561250,0.000000,-1654473.545727,5018743.670951,3559518.263934,1],    "boundingVolume": {    "region": [1.889160,0.595811,1.889313,0.595979,0.000000,8.812817]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1351711.b3dm"}}}