{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949515,-0.313722,0.000000,0.000000,0.175138,-0.530074,0.829668,0.000000,-0.259738,0.786127,0.560839,0.000000,-1658393.443834,5019310.670512,3556911.249002,1],    "boundingVolume": {    "region": [1.889826,0.595267,1.889988,0.595532,0.000000,8.806400]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1368023.b3dm"}}}