{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949403,-0.314061,0.000000,0.000000,0.175430,-0.530322,0.829447,0.000000,-0.259949,0.785823,0.561167,0.000000,-1659741.932812,5017379.946195,3558991.637596,1],    "boundingVolume": {    "region": [1.890214,0.595754,1.890313,0.595836,0.000000,8.783543]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1363387.b3dm"}}}