{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898434,-0.439108,0.000000,0.000000,0.283990,-0.581057,0.762707,0.000000,-0.333967,0.683312,0.649269,0.000000,-2133101.879503,4364421.848519,4119220.106184,1],    "boundingVolume": {    "region": [2.025351,0.706585,2.025452,0.706660,0.000000,8.045849]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1819413.b3dm"}}}