{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896460,-0.443124,0.000000,0.000000,0.283044,-0.572610,0.769418,0.000000,-0.340011,0.687857,0.641284,0.000000,-2171627.454090,4393300.882293,4068417.488214,1],    "boundingVolume": {    "region": [2.029786,0.696114,2.029968,0.696226,0.000000,54.891054]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/6_516179.b3dm"}}}