{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858433,-0.512926,0.000000,0.000000,0.262457,-0.439248,0.859173,0.000000,-0.439914,0.736240,0.514224,0.000000,-2808317.476435,4700000.080590,3260724.957722,1],    "boundingVolume": {    "region": [2.109304,0.540041,2.109468,0.540166,0.000000,66.302233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/5_224744.b3dm"}}}