{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950372,-0.311117,0.000000,0.000000,0.174148,-0.531970,0.828662,0.000000,-0.257266,0.785873,0.562332,0.000000,-1642618.530069,5017720.365512,3566398.365325,1],    "boundingVolume": {    "region": [1.887116,0.597154,1.887213,0.597253,0.000000,8.076174]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1325345.b3dm"}}}