{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950661,-0.310232,0.000000,0.000000,0.173576,-0.531898,0.828828,0.000000,-0.256587,0.786272,0.562085,0.000000,-1638279.320950,5020261.625461,3564828.206754,1],    "boundingVolume": {    "region": [1.886151,0.596820,1.886316,0.596989,0.000000,8.821139]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1396601.b3dm"}}}