{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950125,-0.311869,0.000000,0.000000,0.174202,-0.530715,0.829455,0.000000,-0.258137,0.786429,0.561155,0.000000,-1648172.035476,5021244.789419,3558918.305961,1],    "boundingVolume": {    "region": [1.887906,0.595722,1.888005,0.595839,0.000000,8.801193]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1428900.b3dm"}}}