{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949494,-0.313784,0.000000,0.000000,0.175345,-0.530586,0.829297,0.000000,-0.259672,0.785755,0.561391,0.000000,-1657974.929221,5016947.797542,3560414.574325,1],    "boundingVolume": {    "region": [1.889923,0.596024,1.890021,0.596106,0.000000,11.783476]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/10_1359690.b3dm"}}}