{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898447,-0.439083,0.000000,0.000000,0.283970,-0.581057,0.762715,0.000000,-0.333952,0.683329,0.649260,0.000000,-2133001.444612,4364527.261704,4119160.824001,1],    "boundingVolume": {    "region": [2.025335,0.706576,2.025412,0.706645,0.000000,10.404228]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7.b3dm"}}}