{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951921,-0.306344,0.000000,0.000000,0.114936,-0.357146,0.926950,0.000000,-0.283696,0.881544,0.377354,0.000000,-1810313.825003,5625293.125718,2391843.765122,1],    "boundingVolume": {    "region": [1.882065,0.386886,1.882228,0.386989,0.000000,4.493498]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/1/16_39780.b3dm"}}}