{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949438,-0.313955,0.000000,0.000000,0.175523,-0.530802,0.829120,0.000000,-0.259758,0.785540,0.561652,0.000000,-1658526.027173,5015577.208681,3562077.325914,1],    "boundingVolume": {    "region": [1.890103,0.596341,1.890202,0.596422,0.000000,8.631584]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1338064.b3dm"}}}