{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950593,-0.310441,0.000000,0.000000,0.173643,-0.531707,0.828936,0.000000,-0.256793,0.786319,0.561925,0.000000,-1639596.740098,5020559.062362,3563810.348182,1],    "boundingVolume": {    "region": [1.886405,0.596662,1.886502,0.596761,0.000000,8.224710]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1327929.b3dm"}}}