{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950678,-0.310179,0.000000,0.000000,0.173554,-0.531932,0.828811,0.000000,-0.256537,0.786270,0.562111,0.000000,-1637964.203707,5020248.108056,3564990.946170,1],    "boundingVolume": {    "region": [1.886095,0.596851,1.886261,0.597020,0.000000,8.758891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1396817.b3dm"}}}