{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950115,-0.311898,0.000000,0.000000,0.174217,-0.530705,0.829458,0.000000,-0.258162,0.786423,0.561151,0.000000,-1648333.603345,5021211.484004,3558890.654925,1],    "boundingVolume": {    "region": [1.887937,0.595717,1.888036,0.595834,0.000000,8.801193]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1428866.b3dm"}}}