{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858234,-0.513258,0.000000,0.000000,0.262617,-0.439131,0.859184,0.000000,-0.440204,0.736079,0.514206,0.000000,-2810170.350933,4698972.962291,3260609.731104,1],    "boundingVolume": {    "region": [2.109691,0.540019,2.109855,0.540145,0.000000,96.260641]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_128775.b3dm"}}}