{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949770,-0.312948,0.000000,0.000000,0.114667,-0.348003,0.930454,0.000000,-0.290920,0.882917,0.368543,0.000000,-1856372.520220,5633925.441233,2335941.329334,1],    "boundingVolume": {    "region": [1.889008,0.377316,1.889176,0.377566,0.000000,16.474416]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/9_14601.b3dm"}}}