{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949261,-0.314488,0.000000,0.000000,0.175878,-0.530875,0.828999,0.000000,-0.260161,0.785278,0.561832,0.000000,-1661097.045121,5013908.696330,3563220.382709,1],    "boundingVolume": {    "region": [1.890663,0.596588,1.890764,0.596610,0.000000,9.626413]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/9_1337449.b3dm"}}}