{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858215,-0.513290,0.000000,0.000000,0.262635,-0.439123,0.859182,0.000000,-0.440231,0.736061,0.514209,0.000000,-2810343.057417,4698858.127377,3260626.257676,1],    "boundingVolume": {    "region": [2.109729,0.540022,2.109893,0.540148,0.000000,96.260641]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_129197.b3dm"}}}