{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896508,-0.443028,0.000000,0.000000,0.282970,-0.572616,0.769440,0.000000,-0.339947,0.687914,0.641257,0.000000,-2171218.932327,4393663.150867,4068245.469209,1],    "boundingVolume": {    "region": [2.029678,0.696078,2.029861,0.696191,0.000000,49.342115]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/6_507513.b3dm"}}}