{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950687,-0.310153,0.000000,0.000000,0.173536,-0.531925,0.828819,0.000000,-0.256518,0.786284,0.562099,0.000000,-1637841.181028,5020342.106716,3564915.603904,1],    "boundingVolume": {    "region": [1.886068,0.596837,1.886233,0.597006,0.000000,8.758891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1396718.b3dm"}}}