{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898429,-0.439120,0.000000,0.000000,0.283610,-0.580258,0.763456,0.000000,-0.334307,0.683984,0.648386,0.000000,-2135263.659564,4368698.142691,4113601.025941,1],    "boundingVolume": {    "region": [2.025349,0.705351,2.025481,0.705573,0.000000,7.256032]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/9_1831852.b3dm"}}}