{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950618,-0.310364,0.000000,0.000000,0.173642,-0.531850,0.828845,0.000000,-0.256701,0.786253,0.562060,0.000000,-1639006.568732,5020139.001390,3564667.677761,1],    "boundingVolume": {    "region": [1.886289,0.596790,1.886455,0.596959,0.000000,8.216049]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/4_1327128.b3dm"}}}