{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858814,-0.512288,0.000000,0.000000,0.262092,-0.439378,0.859217,0.000000,-0.439390,0.736605,0.514149,0.000000,-2804970.632059,4702330.606155,3260248.856049,1],    "boundingVolume": {    "region": [2.108561,0.539953,2.108725,0.540078,0.000000,55.438833]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/4_220167.b3dm"}}}