{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892392,-0.451261,0.000000,0.000000,0.290998,-0.575464,0.764304,0.000000,-0.343935,0.680149,0.647384,0.000000,-2196747.669287,4344182.942570,4107227.183312,1],    "boundingVolume": {    "region": [2.038922,0.704112,2.039026,0.704181,0.000000,8.896715]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/7_1974766.b3dm"}}}