{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858855,-0.512218,0.000000,0.000000,0.262053,-0.439394,0.859221,0.000000,-0.439332,0.736644,0.514143,0.000000,-2804601.111718,4702579.790453,3260207.617689,1],    "boundingVolume": {    "region": [2.108480,0.539946,2.108644,0.540071,0.000000,23.212500]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/4_219825.b3dm"}}}