{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950166,-0.311744,0.000000,0.000000,0.174312,-0.531285,0.829067,0.000000,-0.257912,0.786091,0.561731,0.000000,-1646738.899985,5019101.082526,3562579.040927,1],    "boundingVolume": {    "region": [1.887749,0.596384,1.887900,0.596570,0.000000,8.803817]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1398160.b3dm"}}}