{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943919,-0.330178,0.000000,0.000000,0.184553,-0.527604,0.829201,0.000000,-0.273207,0.781050,0.561532,0.000000,-1744396.237911,4986909.865456,3561315.282038,1],    "boundingVolume": {    "region": [1.907241,0.596179,1.907336,0.596294,0.000000,8.369838]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1268995.b3dm"}}}