{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858218,-0.513285,0.000000,0.000000,0.263045,-0.439814,0.858703,0.000000,-0.439979,0.735649,0.515013,0.000000,-2808741.120888,4696244.240353,3265733.927757,1],    "boundingVolume": {    "region": [2.109722,0.540960,2.109887,0.541085,0.000000,74.128233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_465651.b3dm"}}}