{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950310,-0.311304,0.000000,0.000000,0.173959,-0.531041,0.829297,0.000000,-0.257620,0.786431,0.561390,0.000000,-1644870.278519,5021262.450965,3560410.561747,1],    "boundingVolume": {    "region": [1.887285,0.595972,1.887437,0.596157,0.000000,8.796418]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/0_1431106.b3dm"}}}