{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897796,-0.440411,0.000000,0.000000,0.282941,-0.576786,0.766330,0.000000,-0.336562,0.686096,0.644979,0.000000,-2149634.921143,4382122.027054,4091926.518028,1],    "boundingVolume": {    "region": [2.026789,0.700961,2.026916,0.701030,0.000000,14.861136]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_861540.b3dm"}}}