{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858220,-0.513282,0.000000,0.000000,0.262603,-0.439078,0.859215,0.000000,-0.440241,0.736094,0.514153,0.000000,-2810405.451852,4699067.069310,3260273.724877,1],    "boundingVolume": {    "region": [2.109719,0.539958,2.109883,0.540083,0.000000,96.260641]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_128736.b3dm"}}}