{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950399,-0.311035,0.000000,0.000000,0.115129,-0.351788,0.928973,0.000000,-0.288675,0.882078,0.372298,0.000000,-1842065.266427,5628623.782467,2359765.374470,1],    "boundingVolume": {    "region": [1.887015,0.381432,1.887141,0.381535,0.000000,10.416123]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/11/15_66122.b3dm"}}}