{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949403,-0.314060,0.000000,0.000000,0.175423,-0.530304,0.829460,0.000000,-0.259952,0.785836,0.561147,0.000000,-1659760.238742,5017461.966713,3558868.298161,1],    "boundingVolume": {    "region": [1.890213,0.595731,1.890312,0.595812,0.000000,8.783543]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1364041.b3dm"}}}