{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896920,-0.442193,0.000000,0.000000,0.282257,-0.572514,0.769778,0.000000,-0.339457,0.688535,0.640850,0.000000,-2168085.137641,4397619.799869,4065658.309410,1],    "boundingVolume": {    "region": [2.028748,0.695549,2.028930,0.695661,0.000000,42.492945]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_448539.b3dm"}}}