{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950999,-0.309193,0.000000,0.000000,0.172697,-0.531173,0.829477,0.000000,-0.255929,0.787173,0.561123,0.000000,-1634075.309052,5025994.918476,3558715.009393,1],    "boundingVolume": {    "region": [1.885068,0.595632,1.885214,0.595852,0.000000,8.809593]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1421821.b3dm"}}}