{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858870,-0.512194,0.000000,0.000000,0.262024,-0.439374,0.859240,0.000000,-0.439321,0.736673,0.514111,0.000000,-2804529.605479,4702766.090599,3260001.783119,1],    "boundingVolume": {    "region": [2.108451,0.539908,2.108615,0.540033,0.000000,9.519833]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/4_217595.b3dm"}}}