{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950200,-0.311640,0.000000,0.000000,0.174424,-0.531825,0.828697,0.000000,-0.257710,0.785765,0.562280,0.000000,-1645448.714825,5017030.744746,3566066.124696,1],    "boundingVolume": {    "region": [1.887639,0.597048,1.887790,0.597233,0.000000,8.814296]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1385502.b3dm"}}}