{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950340,-0.311213,0.000000,0.000000,0.174189,-0.531915,0.828688,0.000000,-0.257354,0.785873,0.562292,0.000000,-1643181.053317,5017716.871490,3566145.841709,1],    "boundingVolume": {    "region": [1.887217,0.597106,1.887315,0.597205,0.000000,8.750909]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1325742.b3dm"}}}