{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950364,-0.311140,0.000000,0.000000,0.173785,-0.530820,0.829475,0.000000,-0.257540,0.786646,0.561125,0.000000,-1644358.071264,5022631.146752,3558727.560433,1],    "boundingVolume": {    "region": [1.887138,0.595686,1.887238,0.595803,0.000000,8.640033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1428813.b3dm"}}}