{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897634,-0.440742,0.000000,0.000000,0.285856,-0.582186,0.761148,0.000000,-0.334520,0.681297,0.651100,0.000000,-2136646.712293,4351582.203326,4130871.734908,1],    "boundingVolume": {    "region": [2.027146,0.708919,2.027298,0.709147,0.000000,12.100326]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1790908.b3dm"}}}