{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950232,-0.311543,0.000000,0.000000,0.174338,-0.531745,0.828766,0.000000,-0.257651,0.785858,0.562177,0.000000,-1645074.037774,5017619.649217,3565414.750811,1],    "boundingVolume": {    "region": [1.887536,0.596924,1.887688,0.597109,0.000000,8.814296]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1401061.b3dm"}}}