{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943920,-0.330174,0.000000,0.000000,0.184341,-0.527004,0.829629,0.000000,-0.273346,0.781458,0.560896,0.000000,-1745279.771360,4989504.952052,3557272.492778,1],    "boundingVolume": {    "region": [1.907236,0.595411,1.907332,0.595526,0.000000,8.816635]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1311139.b3dm"}}}