{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944383,-0.328847,0.000000,0.000000,0.183817,-0.527885,0.829185,0.000000,-0.272100,0.781420,0.561556,0.000000,-1737328.792113,4989270.765144,3561462.287102,1],    "boundingVolume": {    "region": [1.905821,0.596227,1.905936,0.596302,0.000000,8.761853]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/4_851670.b3dm"}}}