{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949823,-0.312788,0.000000,0.000000,0.115547,-0.350873,0.929267,0.000000,-0.290395,0.881826,0.371556,0.000000,-1853038.568097,5627005.912316,2355059.408048,1],    "boundingVolume": {    "region": [1.888918,0.380676,1.888928,0.380693,0.000000,2.824383]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14.b3dm"}}}