{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858238,-0.513252,0.000000,0.000000,0.263020,-0.439811,0.858712,0.000000,-0.439955,0.735674,0.514998,0.000000,-2808586.996305,4696401.951650,3265640.312346,1],    "boundingVolume": {    "region": [2.109684,0.540943,2.109848,0.541068,0.000000,74.128233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_464138.b3dm"}}}