{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949360,-0.314190,0.000000,0.000000,0.175186,-0.529345,0.830123,0.000000,-0.260270,0.786434,0.560162,0.000000,-1661782.109180,5021257.524717,3552608.242376,1],    "boundingVolume": {    "region": [1.890319,0.594449,1.890481,0.594715,0.000000,8.817751]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1461777.b3dm"}}}