{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949117,-0.314922,0.000000,0.000000,0.116096,-0.349893,0.929568,0.000000,-0.292473,0.881459,0.370795,0.000000,-1866292.545048,5624658.359863,2350228.912220,1],    "boundingVolume": {    "region": [1.891117,0.379807,1.891225,0.379922,0.000000,69.067500]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/20_77304.b3dm"}}}