{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950553,-0.310563,0.000000,0.000000,0.173507,-0.531059,0.829380,0.000000,-0.257033,0.786711,0.561267,0.000000,-1641121.813570,5023048.340887,3559626.439312,1],    "boundingVolume": {    "region": [1.886524,0.595858,1.886639,0.595973,0.000000,8.811984]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1425888.b3dm"}}}