{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950713,-0.310072,0.000000,0.000000,0.173407,-0.531684,0.829001,0.000000,-0.256508,0.786481,0.561829,0.000000,-1637772.524454,5021589.342526,3563201.627491,1],    "boundingVolume": {    "region": [1.885982,0.596511,1.886147,0.596680,0.000000,8.791633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/2_1392143.b3dm"}}}