{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857938,-0.513753,0.000000,0.000000,0.263226,-0.439573,0.858771,0.000000,-0.440415,0.735468,0.514900,0.000000,-2811520.931332,4695083.404604,3265015.806999,1],    "boundingVolume": {    "region": [2.110267,0.540828,2.110432,0.540953,0.000000,81.336300]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_449178.b3dm"}}}