{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950272,-0.311421,0.000000,0.000000,0.115262,-0.351711,0.928985,0.000000,-0.289038,0.881972,0.372266,0.000000,-1844377.609487,5627951.906169,2359563.045062,1],    "boundingVolume": {    "region": [1.887421,0.381398,1.887547,0.381501,0.000000,6.122842]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/14/15_66629.b3dm"}}}