{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896529,-0.442985,0.000000,0.000000,0.282932,-0.572609,0.769460,0.000000,-0.339922,0.687948,0.641233,0.000000,-2171061.820163,4393878.856596,4068097.346671,1],    "boundingVolume": {    "region": [2.029630,0.696048,2.029813,0.696161,0.000000,45.817511]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/6_504952.b3dm"}}}