{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949901,-0.312552,0.000000,0.000000,0.174436,-0.530142,0.829772,0.000000,-0.258802,0.786546,0.560685,0.000000,-1652415.704000,5021983.354338,3555927.270601,1],    "boundingVolume": {    "region": [1.888593,0.595147,1.888757,0.595278,0.000000,8.808103]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356761.b3dm"}}}