{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950770,-0.309899,0.000000,0.000000,0.171757,-0.526949,0.832361,0.000000,-0.257413,0.789744,0.556814,0.000000,-1643524.185681,5042333.720641,3531329.357721,1],    "boundingVolume": {    "region": [1.885805,0.590493,1.885961,0.590598,0.000000,8.702753]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/18.b3dm"}}}