{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949390,-0.314099,0.000000,0.000000,0.175375,-0.530085,0.829611,0.000000,-0.260032,0.785969,0.560924,0.000000,-1660269.091798,5018306.827972,3557449.000954,1],    "boundingVolume": {    "region": [1.890222,0.595369,1.890384,0.595634,0.000000,8.742126]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1367360.b3dm"}}}